16931720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32561}}^1$

素因数の和:32585

約数の個数: 32

約数和(自身を含む): 41028120

約数和(自身を除く): 24096400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 32561, 65122, 130244, 162805, 260488, 325610, 423293, 651220, 846586, 1302440, 1693172, 2116465, 3386344, 4232930, 8465860, 16931720]

約数ペア:

[(1, 16931720), (2, 8465860), (4, 4232930), (5, 3386344), (8, 2116465), (10, 1693172), (13, 1302440), (20, 846586), (26, 651220), (40, 423293), (52, 325610), (65, 260488), (104, 162805), (130, 130244), (260, 65122), (520, 32561)]