1238045240

素因数分解:

$2^3\times 5^1\times {\mathrm{30951131}}^1$

素因数の和:30951142

約数の個数: 16

約数和(自身を含む): 2785601880

約数和(自身を除く): 1547556640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30951131, 61902262, 123804524, 154755655, 247609048, 309511310, 619022620, 1238045240]

約数ペア:

[(1, 1238045240), (2, 619022620), (4, 309511310), (5, 247609048), (8, 154755655), (10, 123804524), (20, 61902262), (40, 30951131)]