101970920

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{5807}}^1$

素因数の和:6257

約数の個数: 32

約数和(自身を含む): 229996800

約数和(自身を除く): 128025880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 5807, 8780, 11614, 17560, 23228, 29035, 46456, 58070, 116140, 232280, 2549273, 5098546, 10197092, 12746365, 20394184, 25492730, 50985460, 101970920]

約数ペア:

[(1, 101970920), (2, 50985460), (4, 25492730), (5, 20394184), (8, 12746365), (10, 10197092), (20, 5098546), (40, 2549273), (439, 232280), (878, 116140), (1756, 58070), (2195, 46456), (3512, 29035), (4390, 23228), (5807, 17560), (8780, 11614)]