130468640

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7481}}^1$

素因数の和:7605

約数の個数: 48

約数和(自身を含む): 311101560

約数和(自身を除く): 180632920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 7481, 8720, 14962, 17440, 29924, 37405, 59848, 74810, 119696, 149620, 239392, 299240, 598480, 815429, 1196960, 1630858, 3261716, 4077145, 6523432, 8154290, 13046864, 16308580, 26093728, 32617160, 65234320, 130468640]

約数ペア:

[(1, 130468640), (2, 65234320), (4, 32617160), (5, 26093728), (8, 16308580), (10, 13046864), (16, 8154290), (20, 6523432), (32, 4077145), (40, 3261716), (80, 1630858), (109, 1196960), (160, 815429), (218, 598480), (436, 299240), (545, 239392), (872, 149620), (1090, 119696), (1744, 74810), (2180, 59848), (3488, 37405), (4360, 29924), (7481, 17440), (8720, 14962)]