491569360

素因数分解:

$2^4\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{5501}}^1$

素因数の和:6631

約数の個数: 40

約数和(自身を含む): 1144129896

約数和(自身を除く): 652560536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117, 2234, 4468, 5501, 5585, 8936, 11002, 11170, 17872, 22004, 22340, 27505, 44008, 44680, 55010, 88016, 89360, 110020, 220040, 440080, 6144617, 12289234, 24578468, 30723085, 49156936, 61446170, 98313872, 122892340, 245784680, 491569360]

約数ペア:

[(1, 491569360), (2, 245784680), (4, 122892340), (5, 98313872), (8, 61446170), (10, 49156936), (16, 30723085), (20, 24578468), (40, 12289234), (80, 6144617), (1117, 440080), (2234, 220040), (4468, 110020), (5501, 89360), (5585, 88016), (8936, 55010), (11002, 44680), (11170, 44008), (17872, 27505), (22004, 22340)]