55270640

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1321}}^1$

素因数の和:1857

約数の個数: 40

約数和(自身を含む): 128847408

約数和(自身を除く): 73576768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1321, 2092, 2615, 2642, 4184, 5230, 5284, 6605, 8368, 10460, 10568, 13210, 20920, 21136, 26420, 41840, 52840, 105680, 690883, 1381766, 2763532, 3454415, 5527064, 6908830, 11054128, 13817660, 27635320, 55270640]

約数ペア:

[(1, 55270640), (2, 27635320), (4, 13817660), (5, 11054128), (8, 6908830), (10, 5527064), (16, 3454415), (20, 2763532), (40, 1381766), (80, 690883), (523, 105680), (1046, 52840), (1321, 41840), (2092, 26420), (2615, 21136), (2642, 20920), (4184, 13210), (5230, 10568), (5284, 10460), (6605, 8368)]