16318540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 39412800

約数和(自身を除く): 23094260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 509, 916, 1018, 1145, 1603, 2036, 2290, 2545, 3206, 3563, 4580, 5090, 6412, 7126, 8015, 10180, 14252, 16030, 17815, 32060, 35630, 71260, 116561, 233122, 466244, 582805, 815927, 1165610, 1631854, 2331220, 3263708, 4079635, 8159270, 16318540]

約数ペア:

[(1, 16318540), (2, 8159270), (4, 4079635), (5, 3263708), (7, 2331220), (10, 1631854), (14, 1165610), (20, 815927), (28, 582805), (35, 466244), (70, 233122), (140, 116561), (229, 71260), (458, 35630), (509, 32060), (916, 17815), (1018, 16030), (1145, 14252), (1603, 10180), (2036, 8015), (2290, 7126), (2545, 6412), (3206, 5090), (3563, 4580)]