261258724120

素因数分解:

$2^3\times 5^1\times {\mathrm{3331}}^1\times {\mathrm{1960813}}^1$

素因数の和:1964155

約数の個数: 32

約数和(自身を含む): 588008902320

約数和(自身を除く): 326750178200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3331, 6662, 13324, 16655, 26648, 33310, 66620, 133240, 1960813, 3921626, 7843252, 9804065, 15686504, 19608130, 39216260, 78432520, 6531468103, 13062936206, 26125872412, 32657340515, 52251744824, 65314681030, 130629362060, 261258724120]

約数ペア:

[(1, 261258724120), (2, 130629362060), (4, 65314681030), (5, 52251744824), (8, 32657340515), (10, 26125872412), (20, 13062936206), (40, 6531468103), (3331, 78432520), (6662, 39216260), (13324, 19608130), (16655, 15686504), (26648, 9804065), (33310, 7843252), (66620, 3921626), (133240, 1960813)]