161050880

素因数分解:

$2^8\times 5^1\times {\mathrm{125821}}^1$

素因数の和:125842

約数の個数: 36

約数和(自身を含む): 385770252

約数和(自身を除く): 224719372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 125821, 251642, 503284, 629105, 1006568, 1258210, 2013136, 2516420, 4026272, 5032840, 8052544, 10065680, 16105088, 20131360, 32210176, 40262720, 80525440, 161050880]

約数ペア:

[(1, 161050880), (2, 80525440), (4, 40262720), (5, 32210176), (8, 20131360), (10, 16105088), (16, 10065680), (20, 8052544), (32, 5032840), (40, 4026272), (64, 2516420), (80, 2013136), (128, 1258210), (160, 1006568), (256, 629105), (320, 503284), (640, 251642), (1280, 125821)]