88160020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 200446848

約数和(自身を除く): 112286828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 1607, 2110, 2743, 3214, 4220, 5486, 6428, 8035, 10972, 13715, 16070, 20891, 27430, 32140, 41782, 54860, 83564, 104455, 208910, 339077, 417820, 678154, 1356308, 1695385, 3390770, 4408001, 6781540, 8816002, 17632004, 22040005, 44080010, 88160020]

約数ペア:

[(1, 88160020), (2, 44080010), (4, 22040005), (5, 17632004), (10, 8816002), (13, 6781540), (20, 4408001), (26, 3390770), (52, 1695385), (65, 1356308), (130, 678154), (211, 417820), (260, 339077), (422, 208910), (844, 104455), (1055, 83564), (1607, 54860), (2110, 41782), (2743, 32140), (3214, 27430), (4220, 20891), (5486, 16070), (6428, 13715), (8035, 10972)]