71632880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81401}}^1$

素因数の和:81425

約数の個数: 40

約数和(自身を含む): 181689264

約数和(自身を除く): 110056384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81401, 162802, 325604, 407005, 651208, 814010, 895411, 1302416, 1628020, 1790822, 3256040, 3581644, 4477055, 6512080, 7163288, 8954110, 14326576, 17908220, 35816440, 71632880]

約数ペア:

[(1, 71632880), (2, 35816440), (4, 17908220), (5, 14326576), (8, 8954110), (10, 7163288), (11, 6512080), (16, 4477055), (20, 3581644), (22, 3256040), (40, 1790822), (44, 1628020), (55, 1302416), (80, 895411), (88, 814010), (110, 651208), (176, 407005), (220, 325604), (440, 162802), (880, 81401)]