8160400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 60

約数和(自身を含む): 20480832

約数和(自身を除く): 12320432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 887, 920, 1150, 1774, 1840, 2300, 3548, 4435, 4600, 7096, 8870, 9200, 14192, 17740, 20401, 22175, 35480, 40802, 44350, 70960, 81604, 88700, 102005, 163208, 177400, 204010, 326416, 354800, 408020, 510025, 816040, 1020050, 1632080, 2040100, 4080200, 8160400]

約数ペア:

[(1, 8160400), (2, 4080200), (4, 2040100), (5, 1632080), (8, 1020050), (10, 816040), (16, 510025), (20, 408020), (23, 354800), (25, 326416), (40, 204010), (46, 177400), (50, 163208), (80, 102005), (92, 88700), (100, 81604), (115, 70960), (184, 44350), (200, 40802), (230, 35480), (368, 22175), (400, 20401), (460, 17740), (575, 14192), (887, 9200), (920, 8870), (1150, 7096), (1774, 4600), (1840, 4435), (2300, 3548)]