72065320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5443}}^1$

素因数の和:5785

約数の個数: 32

約数和(自身を含む): 162666720

約数和(自身を除く): 90601400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5443, 6620, 10886, 13240, 21772, 27215, 43544, 54430, 108860, 217720, 1801633, 3603266, 7206532, 9008165, 14413064, 18016330, 36032660, 72065320]

約数ペア:

[(1, 72065320), (2, 36032660), (4, 18016330), (5, 14413064), (8, 9008165), (10, 7206532), (20, 3603266), (40, 1801633), (331, 217720), (662, 108860), (1324, 54430), (1655, 43544), (2648, 27215), (3310, 21772), (5443, 13240), (6620, 10886)]