1245162890

素因数分解:

$2^1\times 5^1\times {\mathrm{9721}}^1\times {\mathrm{12809}}^1$

素因数の和:22537

約数の個数: 16

約数和(自身を含む): 2241698760

約数和(自身を除く): 996535870

約数列:

[1, 2, 5, 10, 9721, 12809, 19442, 25618, 48605, 64045, 97210, 128090, 124516289, 249032578, 622581445, 1245162890]

約数ペア:

[(1, 1245162890), (2, 622581445), (5, 249032578), (10, 124516289), (9721, 128090), (12809, 97210), (19442, 64045), (25618, 48605)]