89661520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 227766672

約数和(自身を除く): 138105152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 949, 1040, 1168, 1181, 1460, 1898, 2362, 2920, 3796, 4724, 4745, 5840, 5905, 7592, 9448, 9490, 11810, 15184, 15353, 18896, 18980, 23620, 30706, 37960, 47240, 61412, 75920, 76765, 86213, 94480, 122824, 153530, 172426, 245648, 307060, 344852, 431065, 614120, 689704, 862130, 1120769, 1228240, 1379408, 1724260, 2241538, 3448520, 4483076, 5603845, 6897040, 8966152, 11207690, 17932304, 22415380, 44830760, 89661520]

約数ペア:

[(1, 89661520), (2, 44830760), (4, 22415380), (5, 17932304), (8, 11207690), (10, 8966152), (13, 6897040), (16, 5603845), (20, 4483076), (26, 3448520), (40, 2241538), (52, 1724260), (65, 1379408), (73, 1228240), (80, 1120769), (104, 862130), (130, 689704), (146, 614120), (208, 431065), (260, 344852), (292, 307060), (365, 245648), (520, 172426), (584, 153530), (730, 122824), (949, 94480), (1040, 86213), (1168, 76765), (1181, 75920), (1460, 61412), (1898, 47240), (2362, 37960), (2920, 30706), (3796, 23620), (4724, 18980), (4745, 18896), (5840, 15353), (5905, 15184), (7592, 11810), (9448, 9490)]