68199820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5581}}^1$

素因数の和:5650

約数の個数: 48

約数和(自身を含む): 157546368

約数和(自身を除く): 89346548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 5581, 6110, 11162, 12220, 22324, 27905, 55810, 72553, 111620, 145106, 262307, 290212, 362765, 524614, 725530, 1049228, 1311535, 1451060, 2623070, 3409991, 5246140, 6819982, 13639964, 17049955, 34099910, 68199820]

約数ペア:

[(1, 68199820), (2, 34099910), (4, 17049955), (5, 13639964), (10, 6819982), (13, 5246140), (20, 3409991), (26, 2623070), (47, 1451060), (52, 1311535), (65, 1049228), (94, 725530), (130, 524614), (188, 362765), (235, 290212), (260, 262307), (470, 145106), (611, 111620), (940, 72553), (1222, 55810), (2444, 27905), (3055, 22324), (5581, 12220), (6110, 11162)]