72170120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164023}}^1$

素因数の和:164045

約数の個数: 32

約数和(自身を含む): 177145920

約数和(自身を除く): 104975800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164023, 328046, 656092, 820115, 1312184, 1640230, 1804253, 3280460, 3608506, 6560920, 7217012, 9021265, 14434024, 18042530, 36085060, 72170120]

約数ペア:

[(1, 72170120), (2, 36085060), (4, 18042530), (5, 14434024), (8, 9021265), (10, 7217012), (11, 6560920), (20, 3608506), (22, 3280460), (40, 1804253), (44, 1640230), (55, 1312184), (88, 820115), (110, 656092), (220, 328046), (440, 164023)]