80861690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5271

約数の個数: 64

約数和(自身を含む): 189713664

約数和(自身を除く): 108851974

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 3094, 5227, 7735, 10454, 15470, 26135, 36589, 52270, 67951, 73178, 88859, 135902, 177718, 182945, 339755, 365890, 444295, 475657, 622013, 679510, 888590, 951314, 1155167, 1244026, 2310334, 2378285, 3110065, 4756570, 5775835, 6220130, 8086169, 11551670, 16172338, 40430845, 80861690]

約数ペア:

[(1, 80861690), (2, 40430845), (5, 16172338), (7, 11551670), (10, 8086169), (13, 6220130), (14, 5775835), (17, 4756570), (26, 3110065), (34, 2378285), (35, 2310334), (65, 1244026), (70, 1155167), (85, 951314), (91, 888590), (119, 679510), (130, 622013), (170, 475657), (182, 444295), (221, 365890), (238, 339755), (442, 182945), (455, 177718), (595, 135902), (910, 88859), (1105, 73178), (1190, 67951), (1547, 52270), (2210, 36589), (3094, 26135), (5227, 15470), (7735, 10454)]