56125420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1553}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 127925280

約数和(自身を除く): 71799860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1553, 1807, 2780, 3106, 3614, 6212, 7228, 7765, 9035, 15530, 18070, 20189, 31060, 36140, 40378, 80756, 100945, 201890, 215867, 403780, 431734, 863468, 1079335, 2158670, 2806271, 4317340, 5612542, 11225084, 14031355, 28062710, 56125420]

約数ペア:

[(1, 56125420), (2, 28062710), (4, 14031355), (5, 11225084), (10, 5612542), (13, 4317340), (20, 2806271), (26, 2158670), (52, 1079335), (65, 863468), (130, 431734), (139, 403780), (260, 215867), (278, 201890), (556, 100945), (695, 80756), (1390, 40378), (1553, 36140), (1807, 31060), (2780, 20189), (3106, 18070), (3614, 15530), (6212, 9035), (7228, 7765)]