18600880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 45559584

約数和(自身を除く): 26958704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 106, 107, 164, 205, 212, 214, 265, 328, 410, 424, 428, 530, 535, 656, 820, 848, 856, 1060, 1070, 1640, 1712, 2120, 2140, 2173, 3280, 4240, 4280, 4346, 4387, 5671, 8560, 8692, 8774, 10865, 11342, 17384, 17548, 21730, 21935, 22684, 28355, 34768, 35096, 43460, 43870, 45368, 56710, 70192, 86920, 87740, 90736, 113420, 173840, 175480, 226840, 232511, 350960, 453680, 465022, 930044, 1162555, 1860088, 2325110, 3720176, 4650220, 9300440, 18600880]

約数ペア:

[(1, 18600880), (2, 9300440), (4, 4650220), (5, 3720176), (8, 2325110), (10, 1860088), (16, 1162555), (20, 930044), (40, 465022), (41, 453680), (53, 350960), (80, 232511), (82, 226840), (106, 175480), (107, 173840), (164, 113420), (205, 90736), (212, 87740), (214, 86920), (265, 70192), (328, 56710), (410, 45368), (424, 43870), (428, 43460), (530, 35096), (535, 34768), (656, 28355), (820, 22684), (848, 21935), (856, 21730), (1060, 17548), (1070, 17384), (1640, 11342), (1712, 10865), (2120, 8774), (2140, 8692), (2173, 8560), (3280, 5671), (4240, 4387), (4280, 4346)]