78926620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127301}}^1$

素因数の和:127341

約数の個数: 24

約数和(自身を含む): 171093888

約数和(自身を除く): 92167268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 127301, 254602, 509204, 636505, 1273010, 2546020, 3946331, 7892662, 15785324, 19731655, 39463310, 78926620]

約数ペア:

[(1, 78926620), (2, 39463310), (4, 19731655), (5, 15785324), (10, 7892662), (20, 3946331), (31, 2546020), (62, 1273010), (124, 636505), (155, 509204), (310, 254602), (620, 127301)]