78772460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{302971}}^1$

素因数の和:302993

約数の個数: 24

約数和(自身を含む): 178147536

約数和(自身を除く): 99375076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 302971, 605942, 1211884, 1514855, 3029710, 3938623, 6059420, 7877246, 15754492, 19693115, 39386230, 78772460]

約数ペア:

[(1, 78772460), (2, 39386230), (4, 19693115), (5, 15754492), (10, 7877246), (13, 6059420), (20, 3938623), (26, 3029710), (52, 1514855), (65, 1211884), (130, 605942), (260, 302971)]