6643631.00000000

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6263}}^1$

素因数の和:6293

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 20686978

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6263, 12526, 31315, 62630, 81419, 156575, 162838, 313150, 407095, 782875, 814190, 1565750, 2035475, 4070950, 10177375, 20354750]

約数ペア:

[(1, 20354750), (2, 10177375), (5, 4070950), (10, 2035475), (13, 1565750), (25, 814190), (26, 782875), (50, 407095), (65, 313150), (125, 162838), (130, 156575), (250, 81419), (325, 62630), (650, 31315), (1625, 12526), (3250, 6263)]