21031566726400

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{53871841}}^1$

素因数の和:53871928

約数の個数: 108

約数和(自身を含む): 52909798645564

約数和(自身を除く): 31878231919164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 610, 640, 800, 976, 1220, 1280, 1525, 1600, 1952, 2440, 3050, 3200, 3904, 4880, 6100, 6400, 7808, 9760, 12200, 15616, 19520, 24400, 39040, 48800, 78080, 97600, 195200, 390400, 53871841, 107743682, 215487364, 269359205, 430974728, 538718410, 861949456, 1077436820, 1346796025, 1723898912, 2154873640, 2693592050, 3286182301, 3447797824, 4309747280, 5387184100, 6572364602, 6895595648, 8619494560, 10774368200, 13144729204, 13791191296, 16430911505, 17238989120, 21548736400, 26289458408, 32861823010, 34477978240, 43097472800, 52578916816, 65723646020, 68955956480, 82154557525, 86194945600, 105157833632, 131447292040, 164309115050, 172389891200, 210315667264, 262894584080, 328618230100, 344779782400, 420631334528, 525789168160, 657236460200, 841262669056, 1051578336320, 1314472920400, 2103156672640, 2628945840800, 4206313345280, 5257891681600, 10515783363200, 21031566726400]

約数ペア:

[(1, 21031566726400), (2, 10515783363200), (4, 5257891681600), (5, 4206313345280), (8, 2628945840800), (10, 2103156672640), (16, 1314472920400), (20, 1051578336320), (25, 841262669056), (32, 657236460200), (40, 525789168160), (50, 420631334528), (61, 344779782400), (64, 328618230100), (80, 262894584080), (100, 210315667264), (122, 172389891200), (128, 164309115050), (160, 131447292040), (200, 105157833632), (244, 86194945600), (256, 82154557525), (305, 68955956480), (320, 65723646020), (400, 52578916816), (488, 43097472800), (610, 34477978240), (640, 32861823010), (800, 26289458408), (976, 21548736400), (1220, 17238989120), (1280, 16430911505), (1525, 13791191296), (1600, 13144729204), (1952, 10774368200), (2440, 8619494560), (3050, 6895595648), (3200, 6572364602), (3904, 5387184100), (4880, 4309747280), (6100, 3447797824), (6400, 3286182301), (7808, 2693592050), (9760, 2154873640), (12200, 1723898912), (15616, 1346796025), (19520, 1077436820), (24400, 861949456), (39040, 538718410), (48800, 430974728), (78080, 269359205), (97600, 215487364), (195200, 107743682), (390400, 53871841)]