79865920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 112

約数和(自身を含む): 200729088

約数和(自身を除く): 120863168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 97, 124, 155, 160, 166, 194, 248, 310, 320, 332, 388, 415, 485, 496, 620, 664, 776, 830, 970, 992, 1240, 1328, 1552, 1660, 1940, 1984, 2480, 2573, 2656, 3007, 3104, 3320, 3880, 4960, 5146, 5312, 6014, 6208, 6640, 7760, 8051, 9920, 10292, 12028, 12865, 13280, 15035, 15520, 16102, 20584, 24056, 25730, 26560, 30070, 31040, 32204, 40255, 41168, 48112, 51460, 60140, 64408, 80510, 82336, 96224, 102920, 120280, 128816, 161020, 164672, 192448, 205840, 240560, 249581, 257632, 322040, 411680, 481120, 499162, 515264, 644080, 823360, 962240, 998324, 1247905, 1288160, 1996648, 2495810, 2576320, 3993296, 4991620, 7986592, 9983240, 15973184, 19966480, 39932960, 79865920]

約数ペア:

[(1, 79865920), (2, 39932960), (4, 19966480), (5, 15973184), (8, 9983240), (10, 7986592), (16, 4991620), (20, 3993296), (31, 2576320), (32, 2495810), (40, 1996648), (62, 1288160), (64, 1247905), (80, 998324), (83, 962240), (97, 823360), (124, 644080), (155, 515264), (160, 499162), (166, 481120), (194, 411680), (248, 322040), (310, 257632), (320, 249581), (332, 240560), (388, 205840), (415, 192448), (485, 164672), (496, 161020), (620, 128816), (664, 120280), (776, 102920), (830, 96224), (970, 82336), (992, 80510), (1240, 64408), (1328, 60140), (1552, 51460), (1660, 48112), (1940, 41168), (1984, 40255), (2480, 32204), (2573, 31040), (2656, 30070), (3007, 26560), (3104, 25730), (3320, 24056), (3880, 20584), (4960, 16102), (5146, 15520), (5312, 15035), (6014, 13280), (6208, 12865), (6640, 12028), (7760, 10292), (8051, 9920)]