31245440

素因数分解:

$2^7\times 5^1\times {\mathrm{48821}}^1$

素因数の和:48840

約数の個数: 32

約数和(自身を含む): 74697660

約数和(自身を除く): 43452220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 48821, 97642, 195284, 244105, 390568, 488210, 781136, 976420, 1562272, 1952840, 3124544, 3905680, 6249088, 7811360, 15622720, 31245440]

約数ペア:

[(1, 31245440), (2, 15622720), (4, 7811360), (5, 6249088), (8, 3905680), (10, 3124544), (16, 1952840), (20, 1562272), (32, 976420), (40, 781136), (64, 488210), (80, 390568), (128, 244105), (160, 195284), (320, 97642), (640, 48821)]