80474780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39839}}^1$

素因数の和:39949

約数の個数: 24

約数和(自身を含む): 170674560

約数和(自身を除く): 90199780

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39839, 79678, 159356, 199195, 398390, 796780, 4023739, 8047478, 16094956, 20118695, 40237390, 80474780]

約数ペア:

[(1, 80474780), (2, 40237390), (4, 20118695), (5, 16094956), (10, 8047478), (20, 4023739), (101, 796780), (202, 398390), (404, 199195), (505, 159356), (1010, 79678), (2020, 39839)]