40257230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309671}}^1$

素因数の和:309691

約数の個数: 16

約数和(自身を含む): 78037344

約数和(自身を除く): 37780114

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 309671, 619342, 1548355, 3096710, 4025723, 8051446, 20128615, 40257230]

約数ペア:

[(1, 40257230), (2, 20128615), (5, 8051446), (10, 4025723), (13, 3096710), (26, 1548355), (65, 619342), (130, 309671)]