6401980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24623}}^1$

素因数の和:24645

約数の個数: 24

約数和(自身を含む): 14478912

約数和(自身を除く): 8076932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 24623, 49246, 98492, 123115, 246230, 320099, 492460, 640198, 1280396, 1600495, 3200990, 6401980]

約数ペア:

[(1, 6401980), (2, 3200990), (4, 1600495), (5, 1280396), (10, 640198), (13, 492460), (20, 320099), (26, 246230), (52, 123115), (65, 98492), (130, 49246), (260, 24623)]