12904940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8839}}^1$

素因数の和:8921

約数の個数: 24

約数和(自身を含む): 27474720

約数和(自身を除く): 14569780

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 8839, 17678, 35356, 44195, 88390, 176780, 645247, 1290494, 2580988, 3226235, 6452470, 12904940]

約数ペア:

[(1, 12904940), (2, 6452470), (4, 3226235), (5, 2580988), (10, 1290494), (20, 645247), (73, 176780), (146, 88390), (292, 44195), (365, 35356), (730, 17678), (1460, 8839)]