16809520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2342

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 31312400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2309, 3640, 4618, 7280, 9236, 11545, 16163, 18472, 23090, 30017, 32326, 36944, 46180, 60034, 64652, 80815, 92360, 120068, 129304, 150085, 161630, 184720, 210119, 240136, 258608, 300170, 323260, 420238, 480272, 600340, 646520, 840476, 1050595, 1200680, 1293040, 1680952, 2101190, 2401360, 3361904, 4202380, 8404760, 16809520]

約数ペア:

[(1, 16809520), (2, 8404760), (4, 4202380), (5, 3361904), (7, 2401360), (8, 2101190), (10, 1680952), (13, 1293040), (14, 1200680), (16, 1050595), (20, 840476), (26, 646520), (28, 600340), (35, 480272), (40, 420238), (52, 323260), (56, 300170), (65, 258608), (70, 240136), (80, 210119), (91, 184720), (104, 161630), (112, 150085), (130, 129304), (140, 120068), (182, 92360), (208, 80815), (260, 64652), (280, 60034), (364, 46180), (455, 36944), (520, 32326), (560, 30017), (728, 23090), (910, 18472), (1040, 16163), (1456, 11545), (1820, 9236), (2309, 7280), (3640, 4618)]