65631760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19079}}^1$

素因数の和:19135

約数の個数: 40

約数和(自身を含む): 156150720

約数和(自身を除く): 90518960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19079, 38158, 76316, 95395, 152632, 190790, 305264, 381580, 763160, 820397, 1526320, 1640794, 3281588, 4101985, 6563176, 8203970, 13126352, 16407940, 32815880, 65631760]

約数ペア:

[(1, 65631760), (2, 32815880), (4, 16407940), (5, 13126352), (8, 8203970), (10, 6563176), (16, 4101985), (20, 3281588), (40, 1640794), (43, 1526320), (80, 820397), (86, 763160), (172, 381580), (215, 305264), (344, 190790), (430, 152632), (688, 95395), (860, 76316), (1720, 38158), (3440, 19079)]