1909997325440

素因数分解:

$2^7\times 5^1\times {\mathrm{2984370821}}^1$

素因数の和:2984370840

約数の個数: 32

約数和(自身を含む): 4566087357660

約数和(自身を除く): 2656090032220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2984370821, 5968741642, 11937483284, 14921854105, 23874966568, 29843708210, 47749933136, 59687416420, 95499866272, 119374832840, 190999732544, 238749665680, 381999465088, 477499331360, 954998662720, 1909997325440]

約数ペア:

[(1, 1909997325440), (2, 954998662720), (4, 477499331360), (5, 381999465088), (8, 238749665680), (10, 190999732544), (16, 119374832840), (20, 95499866272), (32, 59687416420), (40, 47749933136), (64, 29843708210), (80, 23874966568), (128, 14921854105), (160, 11937483284), (320, 5968741642), (640, 2984370821)]