68795320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156353}}^1$

素因数の和:156375

約数の個数: 32

約数和(自身を含む): 168862320

約数和(自身を除く): 100067000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 156353, 312706, 625412, 781765, 1250824, 1563530, 1719883, 3127060, 3439766, 6254120, 6879532, 8599415, 13759064, 17198830, 34397660, 68795320]

約数ペア:

[(1, 68795320), (2, 34397660), (4, 17198830), (5, 13759064), (8, 8599415), (10, 6879532), (11, 6254120), (20, 3439766), (22, 3127060), (40, 1719883), (44, 1563530), (55, 1250824), (88, 781765), (110, 625412), (220, 312706), (440, 156353)]