56358380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 132283536

約数和(自身を除く): 75925156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 71, 86, 130, 142, 172, 215, 260, 284, 355, 430, 559, 710, 860, 923, 1118, 1420, 1846, 2236, 2795, 3053, 3692, 4615, 5041, 5590, 6106, 9230, 10082, 11180, 12212, 15265, 18460, 20164, 25205, 30530, 39689, 50410, 61060, 65533, 79378, 100820, 131066, 158756, 198445, 216763, 262132, 327665, 396890, 433526, 655330, 793780, 867052, 1083815, 1310660, 2167630, 2817919, 4335260, 5635838, 11271676, 14089595, 28179190, 56358380]

約数ペア:

[(1, 56358380), (2, 28179190), (4, 14089595), (5, 11271676), (10, 5635838), (13, 4335260), (20, 2817919), (26, 2167630), (43, 1310660), (52, 1083815), (65, 867052), (71, 793780), (86, 655330), (130, 433526), (142, 396890), (172, 327665), (215, 262132), (260, 216763), (284, 198445), (355, 158756), (430, 131066), (559, 100820), (710, 79378), (860, 65533), (923, 61060), (1118, 50410), (1420, 39689), (1846, 30530), (2236, 25205), (2795, 20164), (3053, 18460), (3692, 15265), (4615, 12212), (5041, 11180), (5590, 10082), (6106, 9230)]