40773680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 100493568

約数和(自身を除く): 59719888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 401, 410, 496, 620, 656, 802, 820, 1240, 1271, 1604, 1640, 2005, 2480, 2542, 3208, 3280, 4010, 5084, 6355, 6416, 8020, 10168, 12431, 12710, 16040, 16441, 20336, 24862, 25420, 32080, 32882, 49724, 50840, 62155, 65764, 82205, 99448, 101680, 124310, 131528, 164410, 198896, 248620, 263056, 328820, 497240, 509671, 657640, 994480, 1019342, 1315280, 2038684, 2548355, 4077368, 5096710, 8154736, 10193420, 20386840, 40773680]

約数ペア:

[(1, 40773680), (2, 20386840), (4, 10193420), (5, 8154736), (8, 5096710), (10, 4077368), (16, 2548355), (20, 2038684), (31, 1315280), (40, 1019342), (41, 994480), (62, 657640), (80, 509671), (82, 497240), (124, 328820), (155, 263056), (164, 248620), (205, 198896), (248, 164410), (310, 131528), (328, 124310), (401, 101680), (410, 99448), (496, 82205), (620, 65764), (656, 62155), (802, 50840), (820, 49724), (1240, 32882), (1271, 32080), (1604, 25420), (1640, 24862), (2005, 20336), (2480, 16441), (2542, 16040), (3208, 12710), (3280, 12431), (4010, 10168), (5084, 8020), (6355, 6416)]