30655000

素因数分解:

$2^3\times 5^4\times {\mathrm{6131}}^1$

素因数の和:6157

約数の個数: 40

約数和(自身を含む): 71836380

約数和(自身を除く): 41181380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6131, 12262, 24524, 30655, 49048, 61310, 122620, 153275, 245240, 306550, 613100, 766375, 1226200, 1532750, 3065500, 3831875, 6131000, 7663750, 15327500, 30655000]

約数ペア:

[(1, 30655000), (2, 15327500), (4, 7663750), (5, 6131000), (8, 3831875), (10, 3065500), (20, 1532750), (25, 1226200), (40, 766375), (50, 613100), (100, 306550), (125, 245240), (200, 153275), (250, 122620), (500, 61310), (625, 49048), (1000, 30655), (1250, 24524), (2500, 12262), (5000, 6131)]