3157484920

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{72353}}^1$

素因数の和:73455

約数の個数: 32

約数和(自身を含む): 7110951120

約数和(自身を除く): 3953466200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5455, 8728, 10910, 21820, 43640, 72353, 144706, 289412, 361765, 578824, 723530, 1447060, 2894120, 78937123, 157874246, 315748492, 394685615, 631496984, 789371230, 1578742460, 3157484920]

約数ペア:

[(1, 3157484920), (2, 1578742460), (4, 789371230), (5, 631496984), (8, 394685615), (10, 315748492), (20, 157874246), (40, 78937123), (1091, 2894120), (2182, 1447060), (4364, 723530), (5455, 578824), (8728, 361765), (10910, 289412), (21820, 144706), (43640, 72353)]