85867340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19427}}^1$

素因数の和:19466

約数の個数: 48

約数和(自身を含む): 205625952

約数和(自身を除く): 119758612

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19427, 38854, 77708, 97135, 194270, 252551, 330259, 388540, 505102, 660518, 1010204, 1262755, 1321036, 1651295, 2525510, 3302590, 4293367, 5051020, 6605180, 8586734, 17173468, 21466835, 42933670, 85867340]

約数ペア:

[(1, 85867340), (2, 42933670), (4, 21466835), (5, 17173468), (10, 8586734), (13, 6605180), (17, 5051020), (20, 4293367), (26, 3302590), (34, 2525510), (52, 1651295), (65, 1321036), (68, 1262755), (85, 1010204), (130, 660518), (170, 505102), (221, 388540), (260, 330259), (340, 252551), (442, 194270), (884, 97135), (1105, 77708), (2210, 38854), (4420, 19427)]