85242280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51977}}^1$

素因数の和:52029

約数の個数: 32

約数和(自身を含む): 196476840

約数和(自身を除く): 111234560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 51977, 103954, 207908, 259885, 415816, 519770, 1039540, 2079080, 2131057, 4262114, 8524228, 10655285, 17048456, 21310570, 42621140, 85242280]

約数ペア:

[(1, 85242280), (2, 42621140), (4, 21310570), (5, 17048456), (8, 10655285), (10, 8524228), (20, 4262114), (40, 2131057), (41, 2079080), (82, 1039540), (164, 519770), (205, 415816), (328, 259885), (410, 207908), (820, 103954), (1640, 51977)]