64974160

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5843}}^1$

素因数の和:5995

約数の個数: 40

約数和(自身を含む): 152177760

約数和(自身を除く): 87203600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 5843, 11120, 11686, 23372, 29215, 46744, 58430, 93488, 116860, 233720, 467440, 812177, 1624354, 3248708, 4060885, 6497416, 8121770, 12994832, 16243540, 32487080, 64974160]

約数ペア:

[(1, 64974160), (2, 32487080), (4, 16243540), (5, 12994832), (8, 8121770), (10, 6497416), (16, 4060885), (20, 3248708), (40, 1624354), (80, 812177), (139, 467440), (278, 233720), (556, 116860), (695, 93488), (1112, 58430), (1390, 46744), (2224, 29215), (2780, 23372), (5560, 11686), (5843, 11120)]