68435380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263213}}^1$

素因数の和:263235

約数の個数: 24

約数和(自身を含む): 154769832

約数和(自身を除く): 86334452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263213, 526426, 1052852, 1316065, 2632130, 3421769, 5264260, 6843538, 13687076, 17108845, 34217690, 68435380]

約数ペア:

[(1, 68435380), (2, 34217690), (4, 17108845), (5, 13687076), (10, 6843538), (13, 5264260), (20, 3421769), (26, 2632130), (52, 1316065), (65, 1052852), (130, 526426), (260, 263213)]