28106200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 66123000

約数和(自身を除く): 38016800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1579, 1780, 2225, 3158, 3560, 4450, 6316, 7895, 8900, 12632, 15790, 17800, 31580, 39475, 63160, 78950, 140531, 157900, 281062, 315800, 562124, 702655, 1124248, 1405310, 2810620, 3513275, 5621240, 7026550, 14053100, 28106200]

約数ペア:

[(1, 28106200), (2, 14053100), (4, 7026550), (5, 5621240), (8, 3513275), (10, 2810620), (20, 1405310), (25, 1124248), (40, 702655), (50, 562124), (89, 315800), (100, 281062), (178, 157900), (200, 140531), (356, 78950), (445, 63160), (712, 39475), (890, 31580), (1579, 17800), (1780, 15790), (2225, 12632), (3158, 8900), (3560, 7895), (4450, 6316)]