25778980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41579}}^1$

素因数の和:41619

約数の個数: 24

約数和(自身を含む): 55883520

約数和(自身を除く): 30104540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 41579, 83158, 166316, 207895, 415790, 831580, 1288949, 2577898, 5155796, 6444745, 12889490, 25778980]

約数ペア:

[(1, 25778980), (2, 12889490), (4, 6444745), (5, 5155796), (10, 2577898), (20, 1288949), (31, 831580), (62, 415790), (124, 207895), (155, 166316), (310, 83158), (620, 41579)]