127673320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9643}}^1$

素因数の和:9985

約数の個数: 32

約数和(自身を含む): 288162720

約数和(自身を除く): 160489400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 9643, 13240, 19286, 38572, 48215, 77144, 96430, 192860, 385720, 3191833, 6383666, 12767332, 15959165, 25534664, 31918330, 63836660, 127673320]

約数ペア:

[(1, 127673320), (2, 63836660), (4, 31918330), (5, 25534664), (8, 15959165), (10, 12767332), (20, 6383666), (40, 3191833), (331, 385720), (662, 192860), (1324, 96430), (1655, 77144), (2648, 48215), (3310, 38572), (6620, 19286), (9643, 13240)]