42406474.000000000

素因数分解:

$2^5\times 5^1\times {\mathrm{669649}}^1$

素因数の和:669664

約数の個数: 24

約数和(自身を含む): 253127700

約数和(自身を除く): 145983860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 669649, 1339298, 2678596, 3348245, 5357192, 6696490, 10714384, 13392980, 21428768, 26785960, 53571920, 107143840]

約数ペア:

[(1, 107143840), (2, 53571920), (4, 26785960), (5, 21428768), (8, 13392980), (10, 10714384), (16, 6696490), (20, 5357192), (32, 3348245), (40, 2678596), (80, 1339298), (160, 669649)]