5213980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13721}}^1$

素因数の和:13749

約数の個数: 24

約数和(自身を含む): 11526480

約数和(自身を除く): 6312500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 13721, 27442, 54884, 68605, 137210, 260699, 274420, 521398, 1042796, 1303495, 2606990, 5213980]

約数ペア:

[(1, 5213980), (2, 2606990), (4, 1303495), (5, 1042796), (10, 521398), (19, 274420), (20, 260699), (38, 137210), (76, 68605), (95, 54884), (190, 27442), (380, 13721)]