27404680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 38535800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 211, 340, 382, 422, 680, 764, 844, 955, 1055, 1528, 1688, 1910, 2110, 3247, 3587, 3820, 4220, 6494, 7174, 7640, 8440, 12988, 14348, 16235, 17935, 25976, 28696, 32470, 35870, 40301, 64940, 71740, 80602, 129880, 143480, 161204, 201505, 322408, 403010, 685117, 806020, 1370234, 1612040, 2740468, 3425585, 5480936, 6851170, 13702340, 27404680]

約数ペア:

[(1, 27404680), (2, 13702340), (4, 6851170), (5, 5480936), (8, 3425585), (10, 2740468), (17, 1612040), (20, 1370234), (34, 806020), (40, 685117), (68, 403010), (85, 322408), (136, 201505), (170, 161204), (191, 143480), (211, 129880), (340, 80602), (382, 71740), (422, 64940), (680, 40301), (764, 35870), (844, 32470), (955, 28696), (1055, 25976), (1528, 17935), (1688, 16235), (1910, 14348), (2110, 12988), (3247, 8440), (3587, 7640), (3820, 7174), (4220, 6494)]