66457660

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32261}}^1$

素因数の和:32373

約数の個数: 24

約数和(自身を含む): 140920416

約数和(自身を除く): 74462756

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 32261, 64522, 129044, 161305, 322610, 645220, 3322883, 6645766, 13291532, 16614415, 33228830, 66457660]

約数ペア:

[(1, 66457660), (2, 33228830), (4, 16614415), (5, 13291532), (10, 6645766), (20, 3322883), (103, 645220), (206, 322610), (412, 161305), (515, 129044), (1030, 64522), (2060, 32261)]