31149760

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:641

約数の個数: 56

約数和(自身を含む): 74651616

約数和(自身を除く): 43501856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 313, 320, 622, 626, 1244, 1252, 1555, 1565, 2488, 2504, 3110, 3130, 4976, 5008, 6220, 6260, 9952, 10016, 12440, 12520, 19904, 20032, 24880, 25040, 49760, 50080, 97343, 99520, 100160, 194686, 389372, 486715, 778744, 973430, 1557488, 1946860, 3114976, 3893720, 6229952, 7787440, 15574880, 31149760]

約数ペア:

[(1, 31149760), (2, 15574880), (4, 7787440), (5, 6229952), (8, 3893720), (10, 3114976), (16, 1946860), (20, 1557488), (32, 973430), (40, 778744), (64, 486715), (80, 389372), (160, 194686), (311, 100160), (313, 99520), (320, 97343), (622, 50080), (626, 49760), (1244, 25040), (1252, 24880), (1555, 20032), (1565, 19904), (2488, 12520), (2504, 12440), (3110, 10016), (3130, 9952), (4976, 6260), (5008, 6220)]