71365360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81097}}^1$

素因数の和:81121

約数の個数: 40

約数和(自身を含む): 181010736

約数和(自身を除く): 109645376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81097, 162194, 324388, 405485, 648776, 810970, 892067, 1297552, 1621940, 1784134, 3243880, 3568268, 4460335, 6487760, 7136536, 8920670, 14273072, 17841340, 35682680, 71365360]

約数ペア:

[(1, 71365360), (2, 35682680), (4, 17841340), (5, 14273072), (8, 8920670), (10, 7136536), (11, 6487760), (16, 4460335), (20, 3568268), (22, 3243880), (40, 1784134), (44, 1621940), (55, 1297552), (80, 892067), (88, 810970), (110, 648776), (176, 405485), (220, 324388), (440, 162194), (880, 81097)]