13459240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19793}}^1$

素因数の和:19821

約数の個数: 32

約数和(自身を含む): 32066280

約数和(自身を除く): 18607040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19793, 39586, 79172, 98965, 158344, 197930, 336481, 395860, 672962, 791720, 1345924, 1682405, 2691848, 3364810, 6729620, 13459240]

約数ペア:

[(1, 13459240), (2, 6729620), (4, 3364810), (5, 2691848), (8, 1682405), (10, 1345924), (17, 791720), (20, 672962), (34, 395860), (40, 336481), (68, 197930), (85, 158344), (136, 98965), (170, 79172), (340, 39586), (680, 19793)]