156918605440

素因数分解:

$2^7\times 5^1\times {\mathrm{245185321}}^1$

素因数の和:245185340

約数の個数: 32

約数和(自身を含む): 375133542660

約数和(自身を除く): 218214937220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245185321, 490370642, 980741284, 1225926605, 1961482568, 2451853210, 3922965136, 4903706420, 7845930272, 9807412840, 15691860544, 19614825680, 31383721088, 39229651360, 78459302720, 156918605440]

約数ペア:

[(1, 156918605440), (2, 78459302720), (4, 39229651360), (5, 31383721088), (8, 19614825680), (10, 15691860544), (16, 9807412840), (20, 7845930272), (32, 4903706420), (40, 3922965136), (64, 2451853210), (80, 1961482568), (128, 1225926605), (160, 980741284), (320, 490370642), (640, 245185321)]