2013204440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3871547}}^1$

素因数の和:3871571

約数の個数: 32

約数和(自身を含む): 4878150480

約数和(自身を除く): 2864946040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3871547, 7743094, 15486188, 19357735, 30972376, 38715470, 50330111, 77430940, 100660222, 154861880, 201320444, 251650555, 402640888, 503301110, 1006602220, 2013204440]

約数ペア:

[(1, 2013204440), (2, 1006602220), (4, 503301110), (5, 402640888), (8, 251650555), (10, 201320444), (13, 154861880), (20, 100660222), (26, 77430940), (40, 50330111), (52, 38715470), (65, 30972376), (104, 19357735), (130, 15486188), (260, 7743094), (520, 3871547)]