12440870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 24427872

約数和(自身を除く): 11987002

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 1153, 2158, 2306, 5395, 5765, 10790, 11530, 14989, 29978, 74945, 95699, 149890, 191398, 478495, 956990, 1244087, 2488174, 6220435, 12440870]

約数ペア:

[(1, 12440870), (2, 6220435), (5, 2488174), (10, 1244087), (13, 956990), (26, 478495), (65, 191398), (83, 149890), (130, 95699), (166, 74945), (415, 29978), (830, 14989), (1079, 11530), (1153, 10790), (2158, 5765), (2306, 5395)]