40649170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213943}}^1$

素因数の和:213969

約数の個数: 16

約数和(自身を含む): 77019840

約数和(自身を除く): 36370670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 213943, 427886, 1069715, 2139430, 4064917, 8129834, 20324585, 40649170]

約数ペア:

[(1, 40649170), (2, 20324585), (5, 8129834), (10, 4064917), (19, 2139430), (38, 1069715), (95, 427886), (190, 213943)]