89184640

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 214359120

約数和(自身を除く): 125174480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 421, 640, 662, 842, 1324, 1655, 1684, 2105, 2648, 3310, 3368, 4210, 5296, 6620, 6736, 8420, 10592, 13240, 13472, 16840, 21184, 26480, 26944, 33680, 42368, 52960, 53888, 67360, 105920, 134720, 139351, 211840, 269440, 278702, 557404, 696755, 1114808, 1393510, 2229616, 2787020, 4459232, 5574040, 8918464, 11148080, 17836928, 22296160, 44592320, 89184640]

約数ペア:

[(1, 89184640), (2, 44592320), (4, 22296160), (5, 17836928), (8, 11148080), (10, 8918464), (16, 5574040), (20, 4459232), (32, 2787020), (40, 2229616), (64, 1393510), (80, 1114808), (128, 696755), (160, 557404), (320, 278702), (331, 269440), (421, 211840), (640, 139351), (662, 134720), (842, 105920), (1324, 67360), (1655, 53888), (1684, 52960), (2105, 42368), (2648, 33680), (3310, 26944), (3368, 26480), (4210, 21184), (5296, 16840), (6620, 13472), (6736, 13240), (8420, 10592)]