5453440

素因数分解:

$2^7\times 5^1\times {\mathrm{8521}}^1$

素因数の和:8540

約数の個数: 32

約数和(自身を含む): 13038660

約数和(自身を除く): 7585220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8521, 17042, 34084, 42605, 68168, 85210, 136336, 170420, 272672, 340840, 545344, 681680, 1090688, 1363360, 2726720, 5453440]

約数ペア:

[(1, 5453440), (2, 2726720), (4, 1363360), (5, 1090688), (8, 681680), (10, 545344), (16, 340840), (20, 272672), (32, 170420), (40, 136336), (64, 85210), (80, 68168), (128, 42605), (160, 34084), (320, 17042), (640, 8521)]