29271280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21523}}^1$

素因数の和:21553

約数の個数: 40

約数和(自身を含む): 72062352

約数和(自身を除く): 42791072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21523, 43046, 86092, 107615, 172184, 215230, 344368, 365891, 430460, 731782, 860920, 1463564, 1721840, 1829455, 2927128, 3658910, 5854256, 7317820, 14635640, 29271280]

約数ペア:

[(1, 29271280), (2, 14635640), (4, 7317820), (5, 5854256), (8, 3658910), (10, 2927128), (16, 1829455), (17, 1721840), (20, 1463564), (34, 860920), (40, 731782), (68, 430460), (80, 365891), (85, 344368), (136, 215230), (170, 172184), (272, 107615), (340, 86092), (680, 43046), (1360, 21523)]