212504080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{156253}}^1$

素因数の和:156283

約数の個数: 40

約数和(自身を含む): 523138392

約数和(自身を除く): 310634312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 156253, 312506, 625012, 781265, 1250024, 1562530, 2500048, 2656301, 3125060, 5312602, 6250120, 10625204, 12500240, 13281505, 21250408, 26563010, 42500816, 53126020, 106252040, 212504080]

約数ペア:

[(1, 212504080), (2, 106252040), (4, 53126020), (5, 42500816), (8, 26563010), (10, 21250408), (16, 13281505), (17, 12500240), (20, 10625204), (34, 6250120), (40, 5312602), (68, 3125060), (80, 2656301), (85, 2500048), (136, 1562530), (170, 1250024), (272, 781265), (340, 625012), (680, 312506), (1360, 156253)]