91931240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{135193}}^1$

素因数の和:135221

約数の個数: 32

約数和(自身を含む): 219014280

約数和(自身を除く): 127083040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 135193, 270386, 540772, 675965, 1081544, 1351930, 2298281, 2703860, 4596562, 5407720, 9193124, 11491405, 18386248, 22982810, 45965620, 91931240]

約数ペア:

[(1, 91931240), (2, 45965620), (4, 22982810), (5, 18386248), (8, 11491405), (10, 9193124), (17, 5407720), (20, 4596562), (34, 2703860), (40, 2298281), (68, 1351930), (85, 1081544), (136, 675965), (170, 540772), (340, 270386), (680, 135193)]