22081000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 30484760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 284, 311, 355, 500, 568, 622, 710, 1000, 1244, 1420, 1555, 1775, 2488, 2840, 3110, 3550, 6220, 7100, 7775, 8875, 12440, 14200, 15550, 17750, 22081, 31100, 35500, 38875, 44162, 62200, 71000, 77750, 88324, 110405, 155500, 176648, 220810, 311000, 441620, 552025, 883240, 1104050, 2208100, 2760125, 4416200, 5520250, 11040500, 22081000]

約数ペア:

[(1, 22081000), (2, 11040500), (4, 5520250), (5, 4416200), (8, 2760125), (10, 2208100), (20, 1104050), (25, 883240), (40, 552025), (50, 441620), (71, 311000), (100, 220810), (125, 176648), (142, 155500), (200, 110405), (250, 88324), (284, 77750), (311, 71000), (355, 62200), (500, 44162), (568, 38875), (622, 35500), (710, 31100), (1000, 22081), (1244, 17750), (1420, 15550), (1555, 14200), (1775, 12440), (2488, 8875), (2840, 7775), (3110, 7100), (3550, 6220)]