71650000

素因数分解:

$2^4\times 5^5\times {\mathrm{1433}}^1$

素因数の和:1466

約数の個数: 60

約数和(自身を含む): 173637324

約数和(自身を除く): 101987324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1433, 2000, 2500, 2866, 3125, 5000, 5732, 6250, 7165, 10000, 11464, 12500, 14330, 22928, 25000, 28660, 35825, 50000, 57320, 71650, 114640, 143300, 179125, 286600, 358250, 573200, 716500, 895625, 1433000, 1791250, 2866000, 3582500, 4478125, 7165000, 8956250, 14330000, 17912500, 35825000, 71650000]

約数ペア:

[(1, 71650000), (2, 35825000), (4, 17912500), (5, 14330000), (8, 8956250), (10, 7165000), (16, 4478125), (20, 3582500), (25, 2866000), (40, 1791250), (50, 1433000), (80, 895625), (100, 716500), (125, 573200), (200, 358250), (250, 286600), (400, 179125), (500, 143300), (625, 114640), (1000, 71650), (1250, 57320), (1433, 50000), (2000, 35825), (2500, 28660), (2866, 25000), (3125, 22928), (5000, 14330), (5732, 12500), (6250, 11464), (7165, 10000)]