1553613440

素因数分解:

$2^7\times 5^1\times {\mathrm{2427521}}^1$

素因数の和:2427540

約数の個数: 32

約数和(自身を含む): 3714108660

約数和(自身を除く): 2160495220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2427521, 4855042, 9710084, 12137605, 19420168, 24275210, 38840336, 48550420, 77680672, 97100840, 155361344, 194201680, 310722688, 388403360, 776806720, 1553613440]

約数ペア:

[(1, 1553613440), (2, 776806720), (4, 388403360), (5, 310722688), (8, 194201680), (10, 155361344), (16, 97100840), (20, 77680672), (32, 48550420), (40, 38840336), (64, 24275210), (80, 19420168), (128, 12137605), (160, 9710084), (320, 4855042), (640, 2427521)]