18105280

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:1997

約数の個数: 56

約数和(自身を含む): 44622720

約数和(自身を除く): 26517440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 1951, 2320, 3902, 4640, 7804, 9280, 9755, 15608, 19510, 31216, 39020, 56579, 62432, 78040, 113158, 124864, 156080, 226316, 282895, 312160, 452632, 565790, 624320, 905264, 1131580, 1810528, 2263160, 3621056, 4526320, 9052640, 18105280]

約数ペア:

[(1, 18105280), (2, 9052640), (4, 4526320), (5, 3621056), (8, 2263160), (10, 1810528), (16, 1131580), (20, 905264), (29, 624320), (32, 565790), (40, 452632), (58, 312160), (64, 282895), (80, 226316), (116, 156080), (145, 124864), (160, 113158), (232, 78040), (290, 62432), (320, 56579), (464, 39020), (580, 31216), (928, 19510), (1160, 15608), (1856, 9755), (1951, 9280), (2320, 7804), (3902, 4640)]