1600820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2124748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 131, 188, 235, 260, 262, 470, 524, 611, 655, 940, 1222, 1310, 1703, 2444, 2620, 3055, 3406, 6110, 6157, 6812, 8515, 12220, 12314, 17030, 24628, 30785, 34060, 61570, 80041, 123140, 160082, 320164, 400205, 800410, 1600820]

約数ペア:

[(1, 1600820), (2, 800410), (4, 400205), (5, 320164), (10, 160082), (13, 123140), (20, 80041), (26, 61570), (47, 34060), (52, 30785), (65, 24628), (94, 17030), (130, 12314), (131, 12220), (188, 8515), (235, 6812), (260, 6157), (262, 6110), (470, 3406), (524, 3055), (611, 2620), (655, 2444), (940, 1703), (1222, 1310)]