66538540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 147732480

約数和(自身を除く): 81193940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 1831, 3634, 3662, 7268, 7324, 9085, 9155, 18170, 18310, 36340, 36620, 42113, 84226, 144649, 168452, 210565, 289298, 421130, 578596, 723245, 842260, 1446490, 2892980, 3326927, 6653854, 13307708, 16634635, 33269270, 66538540]

約数ペア:

[(1, 66538540), (2, 33269270), (4, 16634635), (5, 13307708), (10, 6653854), (20, 3326927), (23, 2892980), (46, 1446490), (79, 842260), (92, 723245), (115, 578596), (158, 421130), (230, 289298), (316, 210565), (395, 168452), (460, 144649), (790, 84226), (1580, 42113), (1817, 36620), (1831, 36340), (3634, 18310), (3662, 18170), (7268, 9155), (7324, 9085)]