17581340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4098

約数の個数: 48

約数和(自身を含む): 43567104

約数和(自身を除く): 25985764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4051, 4340, 8102, 16204, 20255, 28357, 40510, 56714, 81020, 113428, 125581, 141785, 251162, 283570, 502324, 567140, 627905, 879067, 1255810, 1758134, 2511620, 3516268, 4395335, 8790670, 17581340]

約数ペア:

[(1, 17581340), (2, 8790670), (4, 4395335), (5, 3516268), (7, 2511620), (10, 1758134), (14, 1255810), (20, 879067), (28, 627905), (31, 567140), (35, 502324), (62, 283570), (70, 251162), (124, 141785), (140, 125581), (155, 113428), (217, 81020), (310, 56714), (434, 40510), (620, 28357), (868, 20255), (1085, 16204), (2170, 8102), (4051, 4340)]