161833120

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2473}}^1$

素因数の和:2897

約数の個数: 48

約数和(自身を含む): 383420520

約数和(自身を除く): 221587400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 2473, 3272, 4090, 4946, 6544, 8180, 9892, 12365, 13088, 16360, 19784, 24730, 32720, 39568, 49460, 65440, 79136, 98920, 197840, 395680, 1011457, 2022914, 4045828, 5057285, 8091656, 10114570, 16183312, 20229140, 32366624, 40458280, 80916560, 161833120]

約数ペア:

[(1, 161833120), (2, 80916560), (4, 40458280), (5, 32366624), (8, 20229140), (10, 16183312), (16, 10114570), (20, 8091656), (32, 5057285), (40, 4045828), (80, 2022914), (160, 1011457), (409, 395680), (818, 197840), (1636, 98920), (2045, 79136), (2473, 65440), (3272, 49460), (4090, 39568), (4946, 32720), (6544, 24730), (8180, 19784), (9892, 16360), (12365, 13088)]