28660000

素因数分解:

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

素因数の和:1463

約数の個数: 60

約数和(自身を含む): 70557102

約数和(自身を除く): 41897102

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1433, 2000, 2500, 2866, 4000, 5000, 5732, 7165, 10000, 11464, 14330, 20000, 22928, 28660, 35825, 45856, 57320, 71650, 114640, 143300, 179125, 229280, 286600, 358250, 573200, 716500, 895625, 1146400, 1433000, 1791250, 2866000, 3582500, 5732000, 7165000, 14330000, 28660000]

約数ペア:

[(1, 28660000), (2, 14330000), (4, 7165000), (5, 5732000), (8, 3582500), (10, 2866000), (16, 1791250), (20, 1433000), (25, 1146400), (32, 895625), (40, 716500), (50, 573200), (80, 358250), (100, 286600), (125, 229280), (160, 179125), (200, 143300), (250, 114640), (400, 71650), (500, 57320), (625, 45856), (800, 35825), (1000, 28660), (1250, 22928), (1433, 20000), (2000, 14330), (2500, 11464), (2866, 10000), (4000, 7165), (5000, 5732)]