127609840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21851}}^1$

素因数の和:21937

約数の個数: 40

約数和(自身を含む): 300770928

約数和(自身を除く): 173161088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 21851, 43702, 87404, 109255, 174808, 218510, 349616, 437020, 874040, 1595123, 1748080, 3190246, 6380492, 7975615, 12760984, 15951230, 25521968, 31902460, 63804920, 127609840]

約数ペア:

[(1, 127609840), (2, 63804920), (4, 31902460), (5, 25521968), (8, 15951230), (10, 12760984), (16, 7975615), (20, 6380492), (40, 3190246), (73, 1748080), (80, 1595123), (146, 874040), (292, 437020), (365, 349616), (584, 218510), (730, 174808), (1168, 109255), (1460, 87404), (2920, 43702), (5840, 21851)]