71362960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21757}}^1$

素因数の和:21811

約数の個数: 40

約数和(自身を含む): 169973496

約数和(自身を除く): 98610536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21757, 43514, 87028, 108785, 174056, 217570, 348112, 435140, 870280, 892037, 1740560, 1784074, 3568148, 4460185, 7136296, 8920370, 14272592, 17840740, 35681480, 71362960]

約数ペア:

[(1, 71362960), (2, 35681480), (4, 17840740), (5, 14272592), (8, 8920370), (10, 7136296), (16, 4460185), (20, 3568148), (40, 1784074), (41, 1740560), (80, 892037), (82, 870280), (164, 435140), (205, 348112), (328, 217570), (410, 174056), (656, 108785), (820, 87028), (1640, 43514), (3280, 21757)]