22105000

素因数分解:

$2^3\times 5^4\times {\mathrm{4421}}^1$

素因数の和:4447

約数の個数: 40

約数和(自身を含む): 51803730

約数和(自身を除く): 29698730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4421, 5000, 8842, 17684, 22105, 35368, 44210, 88420, 110525, 176840, 221050, 442100, 552625, 884200, 1105250, 2210500, 2763125, 4421000, 5526250, 11052500, 22105000]

約数ペア:

[(1, 22105000), (2, 11052500), (4, 5526250), (5, 4421000), (8, 2763125), (10, 2210500), (20, 1105250), (25, 884200), (40, 552625), (50, 442100), (100, 221050), (125, 176840), (200, 110525), (250, 88420), (500, 44210), (625, 35368), (1000, 22105), (1250, 17684), (2500, 8842), (4421, 5000)]