75840080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15541}}^1$

素因数の和:15615

約数の個数: 40

約数和(自身を含む): 179230344

約数和(自身を除く): 103390264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15541, 31082, 62164, 77705, 124328, 155410, 248656, 310820, 621640, 948001, 1243280, 1896002, 3792004, 4740005, 7584008, 9480010, 15168016, 18960020, 37920040, 75840080]

約数ペア:

[(1, 75840080), (2, 37920040), (4, 18960020), (5, 15168016), (8, 9480010), (10, 7584008), (16, 4740005), (20, 3792004), (40, 1896002), (61, 1243280), (80, 948001), (122, 621640), (244, 310820), (305, 248656), (488, 155410), (610, 124328), (976, 77705), (1220, 62164), (2440, 31082), (4880, 15541)]