84920680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163309}}^1$

素因数の和:163333

約数の個数: 32

約数和(自身を含む): 205770600

約数和(自身を除く): 120849920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 163309, 326618, 653236, 816545, 1306472, 1633090, 2123017, 3266180, 4246034, 6532360, 8492068, 10615085, 16984136, 21230170, 42460340, 84920680]

約数ペア:

[(1, 84920680), (2, 42460340), (4, 21230170), (5, 16984136), (8, 10615085), (10, 8492068), (13, 6532360), (20, 4246034), (26, 3266180), (40, 2123017), (52, 1633090), (65, 1306472), (104, 816545), (130, 653236), (260, 326618), (520, 163309)]