55891240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82193}}^1$

素因数の和:82221

約数の個数: 32

約数和(自身を含む): 133154280

約数和(自身を除く): 77263040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 82193, 164386, 328772, 410965, 657544, 821930, 1397281, 1643860, 2794562, 3287720, 5589124, 6986405, 11178248, 13972810, 27945620, 55891240]

約数ペア:

[(1, 55891240), (2, 27945620), (4, 13972810), (5, 11178248), (8, 6986405), (10, 5589124), (17, 3287720), (20, 2794562), (34, 1643860), (40, 1397281), (68, 821930), (85, 657544), (136, 410965), (170, 328772), (340, 164386), (680, 82193)]