87680960

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^2\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 84

約数和(自身を含む): 215319864

約数和(自身を除く): 127638904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 163, 164, 205, 320, 326, 328, 410, 652, 656, 815, 820, 1304, 1312, 1630, 1640, 1681, 2608, 2624, 3260, 3280, 3362, 5216, 6520, 6560, 6683, 6724, 8405, 10432, 13040, 13120, 13366, 13448, 16810, 26080, 26732, 26896, 33415, 33620, 52160, 53464, 53792, 66830, 67240, 106928, 107584, 133660, 134480, 213856, 267320, 268960, 274003, 427712, 534640, 537920, 548006, 1069280, 1096012, 1370015, 2138560, 2192024, 2740030, 4384048, 5480060, 8768096, 10960120, 17536192, 21920240, 43840480, 87680960]

約数ペア:

[(1, 87680960), (2, 43840480), (4, 21920240), (5, 17536192), (8, 10960120), (10, 8768096), (16, 5480060), (20, 4384048), (32, 2740030), (40, 2192024), (41, 2138560), (64, 1370015), (80, 1096012), (82, 1069280), (160, 548006), (163, 537920), (164, 534640), (205, 427712), (320, 274003), (326, 268960), (328, 267320), (410, 213856), (652, 134480), (656, 133660), (815, 107584), (820, 106928), (1304, 67240), (1312, 66830), (1630, 53792), (1640, 53464), (1681, 52160), (2608, 33620), (2624, 33415), (3260, 26896), (3280, 26732), (3362, 26080), (5216, 16810), (6520, 13448), (6560, 13366), (6683, 13120), (6724, 13040), (8405, 10432)]