64849760

素因数分解:

$2^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1129}}^1$

素因数の和:1503

約数の個数: 48

約数和(自身を含む): 153770400

約数和(自身を除く): 88920640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 359, 718, 1129, 1436, 1795, 2258, 2872, 3590, 4516, 5645, 5744, 7180, 9032, 11290, 11488, 14360, 18064, 22580, 28720, 36128, 45160, 57440, 90320, 180640, 405311, 810622, 1621244, 2026555, 3242488, 4053110, 6484976, 8106220, 12969952, 16212440, 32424880, 64849760]

約数ペア:

[(1, 64849760), (2, 32424880), (4, 16212440), (5, 12969952), (8, 8106220), (10, 6484976), (16, 4053110), (20, 3242488), (32, 2026555), (40, 1621244), (80, 810622), (160, 405311), (359, 180640), (718, 90320), (1129, 57440), (1436, 45160), (1795, 36128), (2258, 28720), (2872, 22580), (3590, 18064), (4516, 14360), (5645, 11488), (5744, 11290), (7180, 9032)]