30396880

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{929}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 70921800

約数和(自身を除く): 40524920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 929, 1636, 1858, 2045, 3272, 3716, 4090, 4645, 6544, 7432, 8180, 9290, 14864, 16360, 18580, 32720, 37160, 74320, 379961, 759922, 1519844, 1899805, 3039688, 3799610, 6079376, 7599220, 15198440, 30396880]

約数ペア:

[(1, 30396880), (2, 15198440), (4, 7599220), (5, 6079376), (8, 3799610), (10, 3039688), (16, 1899805), (20, 1519844), (40, 759922), (80, 379961), (409, 74320), (818, 37160), (929, 32720), (1636, 18580), (1858, 16360), (2045, 14864), (3272, 9290), (3716, 8180), (4090, 7432), (4645, 6544)]