155709580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{598883}}^1$

素因数の和:598905

約数の個数: 24

約数和(自身を含む): 352143792

約数和(自身を除く): 196434212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 598883, 1197766, 2395532, 2994415, 5988830, 7785479, 11977660, 15570958, 31141916, 38927395, 77854790, 155709580]

約数ペア:

[(1, 155709580), (2, 77854790), (4, 38927395), (5, 31141916), (10, 15570958), (13, 11977660), (20, 7785479), (26, 5988830), (52, 2994415), (65, 2395532), (130, 1197766), (260, 598883)]