44500000

素因数分解:

$2^5\times 5^6\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 84

約数和(自身を含む): 110740770

約数和(自身を除く): 66240770

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 125, 160, 178, 200, 250, 356, 400, 445, 500, 625, 712, 800, 890, 1000, 1250, 1424, 1780, 2000, 2225, 2500, 2848, 3125, 3560, 4000, 4450, 5000, 6250, 7120, 8900, 10000, 11125, 12500, 14240, 15625, 17800, 20000, 22250, 25000, 31250, 35600, 44500, 50000, 55625, 62500, 71200, 89000, 100000, 111250, 125000, 178000, 222500, 250000, 278125, 356000, 445000, 500000, 556250, 890000, 1112500, 1390625, 1780000, 2225000, 2781250, 4450000, 5562500, 8900000, 11125000, 22250000, 44500000]

約数ペア:

[(1, 44500000), (2, 22250000), (4, 11125000), (5, 8900000), (8, 5562500), (10, 4450000), (16, 2781250), (20, 2225000), (25, 1780000), (32, 1390625), (40, 1112500), (50, 890000), (80, 556250), (89, 500000), (100, 445000), (125, 356000), (160, 278125), (178, 250000), (200, 222500), (250, 178000), (356, 125000), (400, 111250), (445, 100000), (500, 89000), (625, 71200), (712, 62500), (800, 55625), (890, 50000), (1000, 44500), (1250, 35600), (1424, 31250), (1780, 25000), (2000, 22250), (2225, 20000), (2500, 17800), (2848, 15625), (3125, 14240), (3560, 12500), (4000, 11125), (4450, 10000), (5000, 8900), (6250, 7120)]