65620720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6779}}^1$

素因数の和:6814

約数の個数: 60

約数和(自身を含む): 167723640

約数和(自身を除く): 102102920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 6779, 9680, 13558, 27116, 33895, 54232, 67790, 74569, 108464, 135580, 149138, 271160, 298276, 372845, 542320, 596552, 745690, 820259, 1193104, 1491380, 1640518, 2982760, 3281036, 4101295, 5965520, 6562072, 8202590, 13124144, 16405180, 32810360, 65620720]

約数ペア:

[(1, 65620720), (2, 32810360), (4, 16405180), (5, 13124144), (8, 8202590), (10, 6562072), (11, 5965520), (16, 4101295), (20, 3281036), (22, 2982760), (40, 1640518), (44, 1491380), (55, 1193104), (80, 820259), (88, 745690), (110, 596552), (121, 542320), (176, 372845), (220, 298276), (242, 271160), (440, 149138), (484, 135580), (605, 108464), (880, 74569), (968, 67790), (1210, 54232), (1936, 33895), (2420, 27116), (4840, 13558), (6779, 9680)]