81009440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 200609136

約数和(自身を除く): 119599696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 53, 80, 82, 106, 160, 164, 205, 212, 233, 265, 328, 410, 424, 466, 530, 656, 820, 848, 932, 1060, 1165, 1312, 1640, 1696, 1864, 2120, 2173, 2330, 3280, 3728, 4240, 4346, 4660, 6560, 7456, 8480, 8692, 9320, 9553, 10865, 12349, 17384, 18640, 19106, 21730, 24698, 34768, 37280, 38212, 43460, 47765, 49396, 61745, 69536, 76424, 86920, 95530, 98792, 123490, 152848, 173840, 191060, 197584, 246980, 305696, 347680, 382120, 395168, 493960, 506309, 764240, 987920, 1012618, 1528480, 1975840, 2025236, 2531545, 4050472, 5063090, 8100944, 10126180, 16201888, 20252360, 40504720, 81009440]

約数ペア:

[(1, 81009440), (2, 40504720), (4, 20252360), (5, 16201888), (8, 10126180), (10, 8100944), (16, 5063090), (20, 4050472), (32, 2531545), (40, 2025236), (41, 1975840), (53, 1528480), (80, 1012618), (82, 987920), (106, 764240), (160, 506309), (164, 493960), (205, 395168), (212, 382120), (233, 347680), (265, 305696), (328, 246980), (410, 197584), (424, 191060), (466, 173840), (530, 152848), (656, 123490), (820, 98792), (848, 95530), (932, 86920), (1060, 76424), (1165, 69536), (1312, 61745), (1640, 49396), (1696, 47765), (1864, 43460), (2120, 38212), (2173, 37280), (2330, 34768), (3280, 24698), (3728, 21730), (4240, 19106), (4346, 18640), (4660, 17384), (6560, 12349), (7456, 10865), (8480, 9553), (8692, 9320)]