91816660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20773}}^1$

素因数の和:20812

約数の個数: 48

約数和(自身を含む): 219872016

約数和(自身を除く): 128055356

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 20773, 41546, 83092, 103865, 207730, 270049, 353141, 415460, 540098, 706282, 1080196, 1350245, 1412564, 1765705, 2700490, 3531410, 4590833, 5400980, 7062820, 9181666, 18363332, 22954165, 45908330, 91816660]

約数ペア:

[(1, 91816660), (2, 45908330), (4, 22954165), (5, 18363332), (10, 9181666), (13, 7062820), (17, 5400980), (20, 4590833), (26, 3531410), (34, 2700490), (52, 1765705), (65, 1412564), (68, 1350245), (85, 1080196), (130, 706282), (170, 540098), (221, 415460), (260, 353141), (340, 270049), (442, 207730), (884, 103865), (1105, 83092), (2210, 41546), (4420, 20773)]