31366140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40213}}^1$

素因数の和:40238

約数の個数: 48

約数和(自身を含む): 94583328

約数和(自身を除く): 63217188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40213, 80426, 120639, 160852, 201065, 241278, 402130, 482556, 522769, 603195, 804260, 1045538, 1206390, 1568307, 2091076, 2412780, 2613845, 3136614, 5227690, 6273228, 7841535, 10455380, 15683070, 31366140]

約数ペア:

[(1, 31366140), (2, 15683070), (3, 10455380), (4, 7841535), (5, 6273228), (6, 5227690), (10, 3136614), (12, 2613845), (13, 2412780), (15, 2091076), (20, 1568307), (26, 1206390), (30, 1045538), (39, 804260), (52, 603195), (60, 522769), (65, 482556), (78, 402130), (130, 241278), (156, 201065), (195, 160852), (260, 120639), (390, 80426), (780, 40213)]