39982940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 87562944

約数和(自身を除く): 47580004

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 761, 1420, 1522, 2627, 3044, 3805, 5254, 7610, 10508, 13135, 15220, 26270, 28157, 52540, 54031, 56314, 108062, 112628, 140785, 216124, 270155, 281570, 540310, 563140, 1080620, 1999147, 3998294, 7996588, 9995735, 19991470, 39982940]

約数ペア:

[(1, 39982940), (2, 19991470), (4, 9995735), (5, 7996588), (10, 3998294), (20, 1999147), (37, 1080620), (71, 563140), (74, 540310), (142, 281570), (148, 270155), (185, 216124), (284, 140785), (355, 112628), (370, 108062), (710, 56314), (740, 54031), (761, 52540), (1420, 28157), (1522, 26270), (2627, 15220), (3044, 13135), (3805, 10508), (5254, 7610)]