8434040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 20476800

約数和(自身を除く): 12042760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 157, 158, 170, 314, 316, 340, 395, 628, 632, 680, 785, 790, 1256, 1343, 1570, 1580, 2669, 2686, 3140, 3160, 5338, 5372, 6280, 6715, 10676, 10744, 12403, 13345, 13430, 21352, 24806, 26690, 26860, 49612, 53380, 53720, 62015, 99224, 106760, 124030, 210851, 248060, 421702, 496120, 843404, 1054255, 1686808, 2108510, 4217020, 8434040]

約数ペア:

[(1, 8434040), (2, 4217020), (4, 2108510), (5, 1686808), (8, 1054255), (10, 843404), (17, 496120), (20, 421702), (34, 248060), (40, 210851), (68, 124030), (79, 106760), (85, 99224), (136, 62015), (157, 53720), (158, 53380), (170, 49612), (314, 26860), (316, 26690), (340, 24806), (395, 21352), (628, 13430), (632, 13345), (680, 12403), (785, 10744), (790, 10676), (1256, 6715), (1343, 6280), (1570, 5372), (1580, 5338), (2669, 3160), (2686, 3140)]