51142400

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 129642744

約数和(自身を除く): 78500344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 131, 160, 200, 244, 256, 262, 305, 320, 400, 488, 524, 610, 640, 655, 800, 976, 1048, 1220, 1280, 1310, 1525, 1600, 1952, 2096, 2440, 2620, 3050, 3200, 3275, 3904, 4192, 4880, 5240, 6100, 6400, 6550, 7808, 7991, 8384, 9760, 10480, 12200, 13100, 15616, 15982, 16768, 19520, 20960, 24400, 26200, 31964, 33536, 39040, 39955, 41920, 48800, 52400, 63928, 78080, 79910, 83840, 97600, 104800, 127856, 159820, 167680, 195200, 199775, 209600, 255712, 319640, 390400, 399550, 419200, 511424, 639280, 799100, 838400, 1022848, 1278560, 1598200, 2045696, 2557120, 3196400, 5114240, 6392800, 10228480, 12785600, 25571200, 51142400]

約数ペア:

[(1, 51142400), (2, 25571200), (4, 12785600), (5, 10228480), (8, 6392800), (10, 5114240), (16, 3196400), (20, 2557120), (25, 2045696), (32, 1598200), (40, 1278560), (50, 1022848), (61, 838400), (64, 799100), (80, 639280), (100, 511424), (122, 419200), (128, 399550), (131, 390400), (160, 319640), (200, 255712), (244, 209600), (256, 199775), (262, 195200), (305, 167680), (320, 159820), (400, 127856), (488, 104800), (524, 97600), (610, 83840), (640, 79910), (655, 78080), (800, 63928), (976, 52400), (1048, 48800), (1220, 41920), (1280, 39955), (1310, 39040), (1525, 33536), (1600, 31964), (1952, 26200), (2096, 24400), (2440, 20960), (2620, 19520), (3050, 16768), (3200, 15982), (3275, 15616), (3904, 13100), (4192, 12200), (4880, 10480), (5240, 9760), (6100, 8384), (6400, 7991), (6550, 7808)]