56780840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 136512000

約数和(自身を除く): 79731160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1579, 1798, 3158, 3596, 4495, 6316, 7192, 7895, 8990, 12632, 15790, 17980, 31580, 35960, 45791, 48949, 63160, 91582, 97898, 183164, 195796, 228955, 244745, 366328, 391592, 457910, 489490, 915820, 978980, 1419521, 1831640, 1957960, 2839042, 5678084, 7097605, 11356168, 14195210, 28390420, 56780840]

約数ペア:

[(1, 56780840), (2, 28390420), (4, 14195210), (5, 11356168), (8, 7097605), (10, 5678084), (20, 2839042), (29, 1957960), (31, 1831640), (40, 1419521), (58, 978980), (62, 915820), (116, 489490), (124, 457910), (145, 391592), (155, 366328), (232, 244745), (248, 228955), (290, 195796), (310, 183164), (580, 97898), (620, 91582), (899, 63160), (1160, 48949), (1240, 45791), (1579, 35960), (1798, 31580), (3158, 17980), (3596, 15790), (4495, 12632), (6316, 8990), (7192, 7895)]