22570400

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 55894860

約数和(自身を除く): 33324460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 317, 356, 400, 445, 634, 712, 800, 890, 1268, 1424, 1585, 1780, 2225, 2536, 2848, 3170, 3560, 4450, 5072, 6340, 7120, 7925, 8900, 10144, 12680, 14240, 15850, 17800, 25360, 28213, 31700, 35600, 50720, 56426, 63400, 71200, 112852, 126800, 141065, 225704, 253600, 282130, 451408, 564260, 705325, 902816, 1128520, 1410650, 2257040, 2821300, 4514080, 5642600, 11285200, 22570400]

約数ペア:

[(1, 22570400), (2, 11285200), (4, 5642600), (5, 4514080), (8, 2821300), (10, 2257040), (16, 1410650), (20, 1128520), (25, 902816), (32, 705325), (40, 564260), (50, 451408), (80, 282130), (89, 253600), (100, 225704), (160, 141065), (178, 126800), (200, 112852), (317, 71200), (356, 63400), (400, 56426), (445, 50720), (634, 35600), (712, 31700), (800, 28213), (890, 25360), (1268, 17800), (1424, 15850), (1585, 14240), (1780, 12680), (2225, 10144), (2536, 8900), (2848, 7925), (3170, 7120), (3560, 6340), (4450, 5072)]