90530800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2650

約数の個数: 60

約数和(自身を含む): 220030560

約数和(自身を除く): 129499760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1424, 1780, 2225, 2543, 3560, 4450, 5086, 7120, 8900, 10172, 12715, 17800, 20344, 25430, 35600, 40688, 50860, 63575, 101720, 127150, 203440, 226327, 254300, 452654, 508600, 905308, 1017200, 1131635, 1810616, 2263270, 3621232, 4526540, 5658175, 9053080, 11316350, 18106160, 22632700, 45265400, 90530800]

約数ペア:

[(1, 90530800), (2, 45265400), (4, 22632700), (5, 18106160), (8, 11316350), (10, 9053080), (16, 5658175), (20, 4526540), (25, 3621232), (40, 2263270), (50, 1810616), (80, 1131635), (89, 1017200), (100, 905308), (178, 508600), (200, 452654), (356, 254300), (400, 226327), (445, 203440), (712, 127150), (890, 101720), (1424, 63575), (1780, 50860), (2225, 40688), (2543, 35600), (3560, 25430), (4450, 20344), (5086, 17800), (7120, 12715), (8900, 10172)]