127254520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{187139}}^1$

素因数の和:187167

約数の個数: 32

約数和(自身を含む): 303166800

約数和(自身を除く): 175912280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 187139, 374278, 748556, 935695, 1497112, 1871390, 3181363, 3742780, 6362726, 7485560, 12725452, 15906815, 25450904, 31813630, 63627260, 127254520]

約数ペア:

[(1, 127254520), (2, 63627260), (4, 31813630), (5, 25450904), (8, 15906815), (10, 12725452), (17, 7485560), (20, 6362726), (34, 3742780), (40, 3181363), (68, 1871390), (85, 1497112), (136, 935695), (170, 748556), (340, 374278), (680, 187139)]