69965440

素因数分解:

$2^7\times 5^1\times {\mathrm{109321}}^1$

素因数の和:109340

約数の個数: 32

約数和(自身を含む): 167262660

約数和(自身を除く): 97297220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 109321, 218642, 437284, 546605, 874568, 1093210, 1749136, 2186420, 3498272, 4372840, 6996544, 8745680, 13993088, 17491360, 34982720, 69965440]

約数ペア:

[(1, 69965440), (2, 34982720), (4, 17491360), (5, 13993088), (8, 8745680), (10, 6996544), (16, 4372840), (20, 3498272), (32, 2186420), (40, 1749136), (64, 1093210), (80, 874568), (128, 546605), (160, 437284), (320, 218642), (640, 109321)]