85892420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{421}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 182610372

約数和(自身を除く): 96717952

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 421, 505, 842, 1010, 1684, 2020, 2105, 4210, 8420, 10201, 20402, 40804, 42521, 51005, 85042, 102010, 170084, 204020, 212605, 425210, 850420, 4294621, 8589242, 17178484, 21473105, 42946210, 85892420]

約数ペア:

[(1, 85892420), (2, 42946210), (4, 21473105), (5, 17178484), (10, 8589242), (20, 4294621), (101, 850420), (202, 425210), (404, 212605), (421, 204020), (505, 170084), (842, 102010), (1010, 85042), (1684, 51005), (2020, 42521), (2105, 40804), (4210, 20402), (8420, 10201)]