145009840

素因数分解:

$2^4\times 5^1\times {\mathrm{1812623}}^1$

素因数の和:1812636

約数の個数: 20

約数和(自身を含む): 337148064

約数和(自身を除く): 192138224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1812623, 3625246, 7250492, 9063115, 14500984, 18126230, 29001968, 36252460, 72504920, 145009840]

約数ペア:

[(1, 145009840), (2, 72504920), (4, 36252460), (5, 29001968), (8, 18126230), (10, 14500984), (16, 9063115), (20, 7250492), (40, 3625246), (80, 1812623)]