80923180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{569}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 183667680

約数和(自身を除く): 102744500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 569, 1094, 1138, 2188, 2276, 2735, 2845, 5470, 5690, 7111, 7397, 10940, 11380, 14222, 14794, 28444, 29588, 35555, 36985, 71110, 73970, 142220, 147940, 311243, 622486, 1244972, 1556215, 3112430, 4046159, 6224860, 8092318, 16184636, 20230795, 40461590, 80923180]

約数ペア:

[(1, 80923180), (2, 40461590), (4, 20230795), (5, 16184636), (10, 8092318), (13, 6224860), (20, 4046159), (26, 3112430), (52, 1556215), (65, 1244972), (130, 622486), (260, 311243), (547, 147940), (569, 142220), (1094, 73970), (1138, 71110), (2188, 36985), (2276, 35555), (2735, 29588), (2845, 28444), (5470, 14794), (5690, 14222), (7111, 11380), (7397, 10940)]