39966680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 97675200

約数和(自身を除く): 57708520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 509, 520, 604, 755, 1018, 1208, 1510, 1963, 2036, 2545, 3020, 3926, 4072, 5090, 6040, 6617, 7852, 9815, 10180, 13234, 15704, 19630, 20360, 26468, 33085, 39260, 52936, 66170, 76859, 78520, 132340, 153718, 264680, 307436, 384295, 614872, 768590, 999167, 1537180, 1998334, 3074360, 3996668, 4995835, 7993336, 9991670, 19983340, 39966680]

約数ペア:

[(1, 39966680), (2, 19983340), (4, 9991670), (5, 7993336), (8, 4995835), (10, 3996668), (13, 3074360), (20, 1998334), (26, 1537180), (40, 999167), (52, 768590), (65, 614872), (104, 384295), (130, 307436), (151, 264680), (260, 153718), (302, 132340), (509, 78520), (520, 76859), (604, 66170), (755, 52936), (1018, 39260), (1208, 33085), (1510, 26468), (1963, 20360), (2036, 19630), (2545, 15704), (3020, 13234), (3926, 10180), (4072, 9815), (5090, 7852), (6040, 6617)]