16432720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 60

約数和(自身を含む): 40393620

約数和(自身を除く): 23960900

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 569, 722, 760, 1138, 1444, 1520, 1805, 2276, 2845, 2888, 3610, 4552, 5690, 5776, 7220, 9104, 10811, 11380, 14440, 21622, 22760, 28880, 43244, 45520, 54055, 86488, 108110, 172976, 205409, 216220, 410818, 432440, 821636, 864880, 1027045, 1643272, 2054090, 3286544, 4108180, 8216360, 16432720]

約数ペア:

[(1, 16432720), (2, 8216360), (4, 4108180), (5, 3286544), (8, 2054090), (10, 1643272), (16, 1027045), (19, 864880), (20, 821636), (38, 432440), (40, 410818), (76, 216220), (80, 205409), (95, 172976), (152, 108110), (190, 86488), (304, 54055), (361, 45520), (380, 43244), (569, 28880), (722, 22760), (760, 21622), (1138, 14440), (1444, 11380), (1520, 10811), (1805, 9104), (2276, 7220), (2845, 5776), (2888, 5690), (3610, 4552)]