51591520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3623}}^1$

素因数の和:3727

約数の個数: 48

約数和(自身を含む): 123288480

約数和(自身を除く): 71696960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 3623, 7120, 7246, 14240, 14492, 18115, 28984, 36230, 57968, 72460, 115936, 144920, 289840, 322447, 579680, 644894, 1289788, 1612235, 2579576, 3224470, 5159152, 6448940, 10318304, 12897880, 25795760, 51591520]

約数ペア:

[(1, 51591520), (2, 25795760), (4, 12897880), (5, 10318304), (8, 6448940), (10, 5159152), (16, 3224470), (20, 2579576), (32, 1612235), (40, 1289788), (80, 644894), (89, 579680), (160, 322447), (178, 289840), (356, 144920), (445, 115936), (712, 72460), (890, 57968), (1424, 36230), (1780, 28984), (2848, 18115), (3560, 14492), (3623, 14240), (7120, 7246)]