40320410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1153}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 78518160

約数和(自身を除く): 38197750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1153, 1345, 2306, 2690, 3497, 5765, 6994, 11530, 14989, 17485, 29978, 34970, 74945, 149890, 310157, 620314, 1550785, 3101570, 4032041, 8064082, 20160205, 40320410]

約数ペア:

[(1, 40320410), (2, 20160205), (5, 8064082), (10, 4032041), (13, 3101570), (26, 1550785), (65, 620314), (130, 310157), (269, 149890), (538, 74945), (1153, 34970), (1345, 29978), (2306, 17485), (2690, 14989), (3497, 11530), (5765, 6994)]