12505880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 30443040

約数和(自身を除く): 17937160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 347, 424, 530, 680, 694, 901, 1060, 1388, 1735, 1802, 2120, 2776, 3470, 3604, 4505, 5899, 6940, 7208, 9010, 11798, 13880, 18020, 18391, 23596, 29495, 36040, 36782, 47192, 58990, 73564, 91955, 117980, 147128, 183910, 235960, 312647, 367820, 625294, 735640, 1250588, 1563235, 2501176, 3126470, 6252940, 12505880]

約数ペア:

[(1, 12505880), (2, 6252940), (4, 3126470), (5, 2501176), (8, 1563235), (10, 1250588), (17, 735640), (20, 625294), (34, 367820), (40, 312647), (53, 235960), (68, 183910), (85, 147128), (106, 117980), (136, 91955), (170, 73564), (212, 58990), (265, 47192), (340, 36782), (347, 36040), (424, 29495), (530, 23596), (680, 18391), (694, 18020), (901, 13880), (1060, 11798), (1388, 9010), (1735, 7208), (1802, 6940), (2120, 5899), (2776, 4505), (3470, 3604)]