28525660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1583}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 64665216

約数和(自身を除く): 36139556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1583, 1802, 3166, 3604, 4505, 6332, 7915, 9010, 15830, 18020, 26911, 31660, 53822, 83899, 107644, 134555, 167798, 269110, 335596, 419495, 538220, 838990, 1426283, 1677980, 2852566, 5705132, 7131415, 14262830, 28525660]

約数ペア:

[(1, 28525660), (2, 14262830), (4, 7131415), (5, 5705132), (10, 2852566), (17, 1677980), (20, 1426283), (34, 838990), (53, 538220), (68, 419495), (85, 335596), (106, 269110), (170, 167798), (212, 134555), (265, 107644), (340, 83899), (530, 53822), (901, 31660), (1060, 26911), (1583, 18020), (1802, 15830), (3166, 9010), (3604, 7915), (4505, 6332)]