18480640

素因数分解:

$2^9\times 5^1\times {\mathrm{7219}}^1$

素因数の和:7242

約数の個数: 40

約数和(自身を含む): 44316360

約数和(自身を除く): 25835720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7219, 14438, 28876, 36095, 57752, 72190, 115504, 144380, 231008, 288760, 462016, 577520, 924032, 1155040, 1848064, 2310080, 3696128, 4620160, 9240320, 18480640]

約数ペア:

[(1, 18480640), (2, 9240320), (4, 4620160), (5, 3696128), (8, 2310080), (10, 1848064), (16, 1155040), (20, 924032), (32, 577520), (40, 462016), (64, 288760), (80, 231008), (128, 144380), (160, 115504), (256, 72190), (320, 57752), (512, 36095), (640, 28876), (1280, 14438), (2560, 7219)]