6421960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5221

約数の個数: 32

約数和(自身を含む): 14918400

約数和(自身を除く): 8496440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 5179, 10358, 20716, 25895, 41432, 51790, 103580, 160549, 207160, 321098, 642196, 802745, 1284392, 1605490, 3210980, 6421960]

約数ペア:

[(1, 6421960), (2, 3210980), (4, 1605490), (5, 1284392), (8, 802745), (10, 642196), (20, 321098), (31, 207160), (40, 160549), (62, 103580), (124, 51790), (155, 41432), (248, 25895), (310, 20716), (620, 10358), (1240, 5179)]