5171920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4973}}^1$

素因数の和:4999

約数の個数: 40

約数和(自身を含む): 12952296

約数和(自身を除く): 7780376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4973, 9946, 19892, 24865, 39784, 49730, 64649, 79568, 99460, 129298, 198920, 258596, 323245, 397840, 517192, 646490, 1034384, 1292980, 2585960, 5171920]

約数ペア:

[(1, 5171920), (2, 2585960), (4, 1292980), (5, 1034384), (8, 646490), (10, 517192), (13, 397840), (16, 323245), (20, 258596), (26, 198920), (40, 129298), (52, 99460), (65, 79568), (80, 64649), (104, 49730), (130, 39784), (208, 24865), (260, 19892), (520, 9946), (1040, 4973)]