13404560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12889}}^1$

素因数の和:12915

約数の個数: 40

約数和(自身を含む): 33565560

約数和(自身を除く): 20161000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12889, 25778, 51556, 64445, 103112, 128890, 167557, 206224, 257780, 335114, 515560, 670228, 837785, 1031120, 1340456, 1675570, 2680912, 3351140, 6702280, 13404560]

約数ペア:

[(1, 13404560), (2, 6702280), (4, 3351140), (5, 2680912), (8, 1675570), (10, 1340456), (13, 1031120), (16, 837785), (20, 670228), (26, 515560), (40, 335114), (52, 257780), (65, 206224), (80, 167557), (104, 128890), (130, 103112), (208, 64445), (260, 51556), (520, 25778), (1040, 12889)]