126554240

素因数分解:

$2^7\times 5^1\times {\mathrm{197741}}^1$

素因数の和:197760

約数の個数: 32

約数和(自身を含む): 302545260

約数和(自身を除く): 175991020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 197741, 395482, 790964, 988705, 1581928, 1977410, 3163856, 3954820, 6327712, 7909640, 12655424, 15819280, 25310848, 31638560, 63277120, 126554240]

約数ペア:

[(1, 126554240), (2, 63277120), (4, 31638560), (5, 25310848), (8, 15819280), (10, 12655424), (16, 7909640), (20, 6327712), (32, 3954820), (40, 3163856), (64, 1977410), (80, 1581928), (128, 988705), (160, 790964), (320, 395482), (640, 197741)]