13665440

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 32514048

約数和(自身を除く): 18848608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 383, 446, 766, 892, 1115, 1532, 1784, 1915, 2230, 3064, 3568, 3830, 4460, 6128, 7136, 7660, 8920, 12256, 15320, 17840, 30640, 35680, 61280, 85409, 170818, 341636, 427045, 683272, 854090, 1366544, 1708180, 2733088, 3416360, 6832720, 13665440]

約数ペア:

[(1, 13665440), (2, 6832720), (4, 3416360), (5, 2733088), (8, 1708180), (10, 1366544), (16, 854090), (20, 683272), (32, 427045), (40, 341636), (80, 170818), (160, 85409), (223, 61280), (383, 35680), (446, 30640), (766, 17840), (892, 15320), (1115, 12256), (1532, 8920), (1784, 7660), (1915, 7136), (2230, 6128), (3064, 4460), (3568, 3830)]