99983840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56809}}^1$

素因数の和:56835

約数の個数: 48

約数和(自身を含む): 257690160

約数和(自身を除く): 157706320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 56809, 113618, 227236, 284045, 454472, 568090, 624899, 908944, 1136180, 1249798, 1817888, 2272360, 2499596, 3124495, 4544720, 4999192, 6248990, 9089440, 9998384, 12497980, 19996768, 24995960, 49991920, 99983840]

約数ペア:

[(1, 99983840), (2, 49991920), (4, 24995960), (5, 19996768), (8, 12497980), (10, 9998384), (11, 9089440), (16, 6248990), (20, 4999192), (22, 4544720), (32, 3124495), (40, 2499596), (44, 2272360), (55, 1817888), (80, 1249798), (88, 1136180), (110, 908944), (160, 624899), (176, 568090), (220, 454472), (352, 284045), (440, 227236), (880, 113618), (1760, 56809)]