3199640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1951}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 7378560

約数和(自身を除く): 4178920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1951, 3902, 7804, 9755, 15608, 19510, 39020, 78040, 79991, 159982, 319964, 399955, 639928, 799910, 1599820, 3199640]

約数ペア:

[(1, 3199640), (2, 1599820), (4, 799910), (5, 639928), (8, 399955), (10, 319964), (20, 159982), (40, 79991), (41, 78040), (82, 39020), (164, 19510), (205, 15608), (328, 9755), (410, 7804), (820, 3902), (1640, 1951)]