129941320

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25579}}^1$

素因数の和:25717

約数の個数: 32

約数和(自身を含む): 294681600

約数和(自身を除く): 164740280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 25579, 51158, 102316, 127895, 204632, 255790, 511580, 1023160, 3248533, 6497066, 12994132, 16242665, 25988264, 32485330, 64970660, 129941320]

約数ペア:

[(1, 129941320), (2, 64970660), (4, 32485330), (5, 25988264), (8, 16242665), (10, 12994132), (20, 6497066), (40, 3248533), (127, 1023160), (254, 511580), (508, 255790), (635, 204632), (1016, 127895), (1270, 102316), (2540, 51158), (5080, 25579)]