264394040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2699}}^1$

素因数の和:2820

約数の個数: 64

約数和(自身を含む): 622080000

約数和(自身を除く): 357685960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 2699, 3160, 4898, 5398, 9796, 10796, 12245, 13495, 19592, 21592, 24490, 26990, 48980, 53980, 83669, 97960, 107960, 167338, 213221, 334676, 418345, 426442, 669352, 836690, 852884, 1066105, 1673380, 1705768, 2132210, 3346760, 4264420, 6609851, 8528840, 13219702, 26439404, 33049255, 52878808, 66098510, 132197020, 264394040]

約数ペア:

[(1, 264394040), (2, 132197020), (4, 66098510), (5, 52878808), (8, 33049255), (10, 26439404), (20, 13219702), (31, 8528840), (40, 6609851), (62, 4264420), (79, 3346760), (124, 2132210), (155, 1705768), (158, 1673380), (248, 1066105), (310, 852884), (316, 836690), (395, 669352), (620, 426442), (632, 418345), (790, 334676), (1240, 213221), (1580, 167338), (2449, 107960), (2699, 97960), (3160, 83669), (4898, 53980), (5398, 48980), (9796, 26990), (10796, 24490), (12245, 21592), (13495, 19592)]