87685040

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1619}}^1$

素因数の和:2309

約数の個数: 40

約数和(自身を含む): 204294960

約数和(自身を除く): 116609920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 1619, 2708, 3238, 3385, 5416, 6476, 6770, 8095, 10832, 12952, 13540, 16190, 25904, 27080, 32380, 54160, 64760, 129520, 1096063, 2192126, 4384252, 5480315, 8768504, 10960630, 17537008, 21921260, 43842520, 87685040]

約数ペア:

[(1, 87685040), (2, 43842520), (4, 21921260), (5, 17537008), (8, 10960630), (10, 8768504), (16, 5480315), (20, 4384252), (40, 2192126), (80, 1096063), (677, 129520), (1354, 64760), (1619, 54160), (2708, 32380), (3238, 27080), (3385, 25904), (5416, 16190), (6476, 13540), (6770, 12952), (8095, 10832)]