27956890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2591}}^1$

素因数の和:2694

約数の個数: 32

約数和(自身を含む): 54867456

約数和(自身を除く): 26910566

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 2591, 5182, 5395, 10790, 12955, 25910, 33683, 67366, 168415, 215053, 336830, 430106, 1075265, 2150530, 2795689, 5591378, 13978445, 27956890]

約数ペア:

[(1, 27956890), (2, 13978445), (5, 5591378), (10, 2795689), (13, 2150530), (26, 1075265), (65, 430106), (83, 336830), (130, 215053), (166, 168415), (415, 67366), (830, 33683), (1079, 25910), (2158, 12955), (2591, 10790), (5182, 5395)]