39597520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 98208000

約数和(自身を除く): 58610480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 239, 304, 380, 436, 478, 545, 760, 872, 956, 1090, 1195, 1520, 1744, 1912, 2071, 2180, 2390, 3824, 4142, 4360, 4541, 4780, 8284, 8720, 9082, 9560, 10355, 16568, 18164, 19120, 20710, 22705, 26051, 33136, 36328, 41420, 45410, 52102, 72656, 82840, 90820, 104204, 130255, 165680, 181640, 208408, 260510, 363280, 416816, 494969, 521020, 989938, 1042040, 1979876, 2084080, 2474845, 3959752, 4949690, 7919504, 9899380, 19798760, 39597520]

約数ペア:

[(1, 39597520), (2, 19798760), (4, 9899380), (5, 7919504), (8, 4949690), (10, 3959752), (16, 2474845), (19, 2084080), (20, 1979876), (38, 1042040), (40, 989938), (76, 521020), (80, 494969), (95, 416816), (109, 363280), (152, 260510), (190, 208408), (218, 181640), (239, 165680), (304, 130255), (380, 104204), (436, 90820), (478, 82840), (545, 72656), (760, 52102), (872, 45410), (956, 41420), (1090, 36328), (1195, 33136), (1520, 26051), (1744, 22705), (1912, 20710), (2071, 19120), (2180, 18164), (2390, 16568), (3824, 10355), (4142, 9560), (4360, 9082), (4541, 8720), (4780, 8284)]