28753010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20107}}^1$

素因数の和:20138

約数の個数: 32

約数和(自身を含む): 60806592

約数和(自身を除く): 32053582

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20107, 40214, 100535, 201070, 221177, 261391, 442354, 522782, 1105885, 1306955, 2211770, 2613910, 2875301, 5750602, 14376505, 28753010]

約数ペア:

[(1, 28753010), (2, 14376505), (5, 5750602), (10, 2875301), (11, 2613910), (13, 2211770), (22, 1306955), (26, 1105885), (55, 522782), (65, 442354), (110, 261391), (130, 221177), (143, 201070), (286, 100535), (715, 40214), (1430, 20107)]