81604000

素因数分解:

$2^5\times 5^3\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 209454336

約数和(自身を除く): 127850336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 368, 400, 460, 500, 575, 736, 800, 887, 920, 1000, 1150, 1774, 1840, 2000, 2300, 2875, 3548, 3680, 4000, 4435, 4600, 5750, 7096, 8870, 9200, 11500, 14192, 17740, 18400, 20401, 22175, 23000, 28384, 35480, 40802, 44350, 46000, 70960, 81604, 88700, 92000, 102005, 110875, 141920, 163208, 177400, 204010, 221750, 326416, 354800, 408020, 443500, 510025, 652832, 709600, 816040, 887000, 1020050, 1632080, 1774000, 2040100, 2550125, 3264160, 3548000, 4080200, 5100250, 8160400, 10200500, 16320800, 20401000, 40802000, 81604000]

約数ペア:

[(1, 81604000), (2, 40802000), (4, 20401000), (5, 16320800), (8, 10200500), (10, 8160400), (16, 5100250), (20, 4080200), (23, 3548000), (25, 3264160), (32, 2550125), (40, 2040100), (46, 1774000), (50, 1632080), (80, 1020050), (92, 887000), (100, 816040), (115, 709600), (125, 652832), (160, 510025), (184, 443500), (200, 408020), (230, 354800), (250, 326416), (368, 221750), (400, 204010), (460, 177400), (500, 163208), (575, 141920), (736, 110875), (800, 102005), (887, 92000), (920, 88700), (1000, 81604), (1150, 70960), (1774, 46000), (1840, 44350), (2000, 40802), (2300, 35480), (2875, 28384), (3548, 23000), (3680, 22175), (4000, 20401), (4435, 18400), (4600, 17740), (5750, 14192), (7096, 11500), (8870, 9200)]