7877678080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1538609}}^1$

素因数の和:1538634

約数の個数: 44

約数和(自身を含む): 18897208020

約数和(自身を除く): 11019529940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 1538609, 3077218, 6154436, 7693045, 12308872, 15386090, 24617744, 30772180, 49235488, 61544360, 98470976, 123088720, 196941952, 246177440, 393883904, 492354880, 787767808, 984709760, 1575535616, 1969419520, 3938839040, 7877678080]

約数ペア:

[(1, 7877678080), (2, 3938839040), (4, 1969419520), (5, 1575535616), (8, 984709760), (10, 787767808), (16, 492354880), (20, 393883904), (32, 246177440), (40, 196941952), (64, 123088720), (80, 98470976), (128, 61544360), (160, 49235488), (256, 30772180), (320, 24617744), (512, 15386090), (640, 12308872), (1024, 7693045), (1280, 6154436), (2560, 3077218), (5120, 1538609)]