17752880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 60

約数和(自身を含む): 42601440

約数和(自身を除く): 24848560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 79, 80, 106, 158, 212, 265, 316, 395, 424, 530, 632, 790, 848, 1060, 1264, 1580, 2120, 2809, 3160, 4187, 4240, 5618, 6320, 8374, 11236, 14045, 16748, 20935, 22472, 28090, 33496, 41870, 44944, 56180, 66992, 83740, 112360, 167480, 221911, 224720, 334960, 443822, 887644, 1109555, 1775288, 2219110, 3550576, 4438220, 8876440, 17752880]

約数ペア:

[(1, 17752880), (2, 8876440), (4, 4438220), (5, 3550576), (8, 2219110), (10, 1775288), (16, 1109555), (20, 887644), (40, 443822), (53, 334960), (79, 224720), (80, 221911), (106, 167480), (158, 112360), (212, 83740), (265, 66992), (316, 56180), (395, 44944), (424, 41870), (530, 33496), (632, 28090), (790, 22472), (848, 20935), (1060, 16748), (1264, 14045), (1580, 11236), (2120, 8374), (2809, 6320), (3160, 5618), (4187, 4240)]