22262500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 52824744

約数和(自身を除く): 30562244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 137, 250, 260, 274, 325, 500, 548, 625, 650, 685, 1250, 1300, 1370, 1625, 1781, 2500, 2740, 3125, 3250, 3425, 3562, 6250, 6500, 6850, 7124, 8125, 8905, 12500, 13700, 16250, 17125, 17810, 32500, 34250, 35620, 40625, 44525, 68500, 81250, 85625, 89050, 162500, 171250, 178100, 222625, 342500, 428125, 445250, 856250, 890500, 1113125, 1712500, 2226250, 4452500, 5565625, 11131250, 22262500]

約数ペア:

[(1, 22262500), (2, 11131250), (4, 5565625), (5, 4452500), (10, 2226250), (13, 1712500), (20, 1113125), (25, 890500), (26, 856250), (50, 445250), (52, 428125), (65, 342500), (100, 222625), (125, 178100), (130, 171250), (137, 162500), (250, 89050), (260, 85625), (274, 81250), (325, 68500), (500, 44525), (548, 40625), (625, 35620), (650, 34250), (685, 32500), (1250, 17810), (1300, 17125), (1370, 16250), (1625, 13700), (1781, 12500), (2500, 8905), (2740, 8125), (3125, 7124), (3250, 6850), (3425, 6500), (3562, 6250)]