40181840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4973}}^1$

素因数の和:5087

約数の個数: 40

約数和(自身を含む): 94366728

約数和(自身を除く): 54184888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 4973, 8080, 9946, 19892, 24865, 39784, 49730, 79568, 99460, 198920, 397840, 502273, 1004546, 2009092, 2511365, 4018184, 5022730, 8036368, 10045460, 20090920, 40181840]

約数ペア:

[(1, 40181840), (2, 20090920), (4, 10045460), (5, 8036368), (8, 5022730), (10, 4018184), (16, 2511365), (20, 2009092), (40, 1004546), (80, 502273), (101, 397840), (202, 198920), (404, 99460), (505, 79568), (808, 49730), (1010, 39784), (1616, 24865), (2020, 19892), (4040, 9946), (4973, 8080)]