18272000

素因数分解:

$2^8\times 5^3\times {\mathrm{571}}^1$

素因数の和:602

約数の個数: 72

約数和(自身を含む): 45597552

約数和(自身を除く): 27325552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 571, 640, 800, 1000, 1142, 1280, 1600, 2000, 2284, 2855, 3200, 4000, 4568, 5710, 6400, 8000, 9136, 11420, 14275, 16000, 18272, 22840, 28550, 32000, 36544, 45680, 57100, 71375, 73088, 91360, 114200, 142750, 146176, 182720, 228400, 285500, 365440, 456800, 571000, 730880, 913600, 1142000, 1827200, 2284000, 3654400, 4568000, 9136000, 18272000]

約数ペア:

[(1, 18272000), (2, 9136000), (4, 4568000), (5, 3654400), (8, 2284000), (10, 1827200), (16, 1142000), (20, 913600), (25, 730880), (32, 571000), (40, 456800), (50, 365440), (64, 285500), (80, 228400), (100, 182720), (125, 146176), (128, 142750), (160, 114200), (200, 91360), (250, 73088), (256, 71375), (320, 57100), (400, 45680), (500, 36544), (571, 32000), (640, 28550), (800, 22840), (1000, 18272), (1142, 16000), (1280, 14275), (1600, 11420), (2000, 9136), (2284, 8000), (2855, 6400), (3200, 5710), (4000, 4568)]