23178140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68171}}^1$

素因数の和:68197

約数の個数: 24

約数和(自身を含む): 51538032

約数和(自身を除く): 28359892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 68171, 136342, 272684, 340855, 681710, 1158907, 1363420, 2317814, 4635628, 5794535, 11589070, 23178140]

約数ペア:

[(1, 23178140), (2, 11589070), (4, 5794535), (5, 4635628), (10, 2317814), (17, 1363420), (20, 1158907), (34, 681710), (68, 340855), (85, 272684), (170, 136342), (340, 68171)]