31658120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 80075520

約数和(自身を除く): 48417400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2647, 2990, 5294, 5980, 10588, 11960, 13235, 21176, 26470, 34411, 52940, 60881, 68822, 105880, 121762, 137644, 172055, 243524, 275288, 304405, 344110, 487048, 608810, 688220, 791453, 1217620, 1376440, 1582906, 2435240, 3165812, 3957265, 6331624, 7914530, 15829060, 31658120]

約数ペア:

[(1, 31658120), (2, 15829060), (4, 7914530), (5, 6331624), (8, 3957265), (10, 3165812), (13, 2435240), (20, 1582906), (23, 1376440), (26, 1217620), (40, 791453), (46, 688220), (52, 608810), (65, 487048), (92, 344110), (104, 304405), (115, 275288), (130, 243524), (184, 172055), (230, 137644), (260, 121762), (299, 105880), (460, 68822), (520, 60881), (598, 52940), (920, 34411), (1196, 26470), (1495, 21176), (2392, 13235), (2647, 11960), (2990, 10588), (5294, 5980)]