12453400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 29395440

約数和(自身を除く): 16942040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 877, 1420, 1754, 1775, 2840, 3508, 3550, 4385, 7016, 7100, 8770, 14200, 17540, 21925, 35080, 43850, 62267, 87700, 124534, 175400, 249068, 311335, 498136, 622670, 1245340, 1556675, 2490680, 3113350, 6226700, 12453400]

約数ペア:

[(1, 12453400), (2, 6226700), (4, 3113350), (5, 2490680), (8, 1556675), (10, 1245340), (20, 622670), (25, 498136), (40, 311335), (50, 249068), (71, 175400), (100, 124534), (142, 87700), (200, 62267), (284, 43850), (355, 35080), (568, 21925), (710, 17540), (877, 14200), (1420, 8770), (1754, 7100), (1775, 7016), (2840, 4385), (3508, 3550)]