99774140

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{2557}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 209715072

約数和(自身を除く): 109940932

約数列:

[1, 2, 4, 5, 10, 20, 1951, 2557, 3902, 5114, 7804, 9755, 10228, 12785, 19510, 25570, 39020, 51140, 4988707, 9977414, 19954828, 24943535, 49887070, 99774140]

約数ペア:

[(1, 99774140), (2, 49887070), (4, 24943535), (5, 19954828), (10, 9977414), (20, 4988707), (1951, 51140), (2557, 39020), (3902, 25570), (5114, 19510), (7804, 12785), (9755, 10228)]