127209560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167381}}^1$

素因数の和:167411

約数の個数: 32

約数和(自身を含む): 301287600

約数和(自身を除く): 174078040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 167381, 334762, 669524, 836905, 1339048, 1673810, 3180239, 3347620, 6360478, 6695240, 12720956, 15901195, 25441912, 31802390, 63604780, 127209560]

約数ペア:

[(1, 127209560), (2, 63604780), (4, 31802390), (5, 25441912), (8, 15901195), (10, 12720956), (19, 6695240), (20, 6360478), (38, 3347620), (40, 3180239), (76, 1673810), (95, 1339048), (152, 836905), (190, 669524), (380, 334762), (760, 167381)]