38520020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25013}}^1$

素因数の和:25040

約数の個数: 48

約数和(自身を含む): 100856448

約数和(自身を除く): 62336428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 25013, 50026, 100052, 125065, 175091, 250130, 275143, 350182, 500260, 550286, 700364, 875455, 1100572, 1375715, 1750910, 1926001, 2751430, 3501820, 3852002, 5502860, 7704004, 9630005, 19260010, 38520020]

約数ペア:

[(1, 38520020), (2, 19260010), (4, 9630005), (5, 7704004), (7, 5502860), (10, 3852002), (11, 3501820), (14, 2751430), (20, 1926001), (22, 1750910), (28, 1375715), (35, 1100572), (44, 875455), (55, 700364), (70, 550286), (77, 500260), (110, 350182), (140, 275143), (154, 250130), (220, 175091), (308, 125065), (385, 100052), (770, 50026), (1540, 25013)]