8117720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 20049120

約数和(自身を除く): 11931400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 233, 260, 268, 335, 466, 520, 536, 670, 871, 932, 1165, 1340, 1742, 1864, 2330, 2680, 3029, 3484, 4355, 4660, 6058, 6968, 8710, 9320, 12116, 15145, 15611, 17420, 24232, 30290, 31222, 34840, 60580, 62444, 78055, 121160, 124888, 156110, 202943, 312220, 405886, 624440, 811772, 1014715, 1623544, 2029430, 4058860, 8117720]

約数ペア:

[(1, 8117720), (2, 4058860), (4, 2029430), (5, 1623544), (8, 1014715), (10, 811772), (13, 624440), (20, 405886), (26, 312220), (40, 202943), (52, 156110), (65, 124888), (67, 121160), (104, 78055), (130, 62444), (134, 60580), (233, 34840), (260, 31222), (268, 30290), (335, 24232), (466, 17420), (520, 15611), (536, 15145), (670, 12116), (871, 9320), (932, 8710), (1165, 6968), (1340, 6058), (1742, 4660), (1864, 4355), (2330, 3484), (2680, 3029)]