81734810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2879}}^1$

素因数の和:3070

約数の個数: 32

約数和(自身を含む): 156764160

約数和(自身を除く): 75029350

約数列:

[1, 2, 5, 10, 17, 34, 85, 167, 170, 334, 835, 1670, 2839, 2879, 5678, 5758, 14195, 14395, 28390, 28790, 48943, 97886, 244715, 480793, 489430, 961586, 2403965, 4807930, 8173481, 16346962, 40867405, 81734810]

約数ペア:

[(1, 81734810), (2, 40867405), (5, 16346962), (10, 8173481), (17, 4807930), (34, 2403965), (85, 961586), (167, 489430), (170, 480793), (334, 244715), (835, 97886), (1670, 48943), (2839, 28790), (2879, 28390), (5678, 14395), (5758, 14195)]