52405780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 126725760

約数和(自身を除く): 74319980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2693, 2780, 3892, 4865, 5386, 9730, 10772, 13465, 18851, 19460, 26930, 37702, 53860, 75404, 94255, 188510, 374327, 377020, 748654, 1497308, 1871635, 2620289, 3743270, 5240578, 7486540, 10481156, 13101445, 26202890, 52405780]

約数ペア:

[(1, 52405780), (2, 26202890), (4, 13101445), (5, 10481156), (7, 7486540), (10, 5240578), (14, 3743270), (20, 2620289), (28, 1871635), (35, 1497308), (70, 748654), (139, 377020), (140, 374327), (278, 188510), (556, 94255), (695, 75404), (973, 53860), (1390, 37702), (1946, 26930), (2693, 19460), (2780, 18851), (3892, 13465), (4865, 10772), (5386, 9730)]