80254480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1496

約数の個数: 80

約数和(自身を含む): 201862080

約数和(自身を除く): 121607600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1427, 1480, 1520, 2812, 2854, 2960, 3515, 5624, 5708, 7030, 7135, 11248, 11416, 14060, 14270, 22832, 27113, 28120, 28540, 52799, 54226, 56240, 57080, 105598, 108452, 114160, 135565, 211196, 216904, 263995, 271130, 422392, 433808, 527990, 542260, 844784, 1003181, 1055980, 1084520, 2006362, 2111960, 2169040, 4012724, 4223920, 5015905, 8025448, 10031810, 16050896, 20063620, 40127240, 80254480]

約数ペア:

[(1, 80254480), (2, 40127240), (4, 20063620), (5, 16050896), (8, 10031810), (10, 8025448), (16, 5015905), (19, 4223920), (20, 4012724), (37, 2169040), (38, 2111960), (40, 2006362), (74, 1084520), (76, 1055980), (80, 1003181), (95, 844784), (148, 542260), (152, 527990), (185, 433808), (190, 422392), (296, 271130), (304, 263995), (370, 216904), (380, 211196), (592, 135565), (703, 114160), (740, 108452), (760, 105598), (1406, 57080), (1427, 56240), (1480, 54226), (1520, 52799), (2812, 28540), (2854, 28120), (2960, 27113), (3515, 22832), (5624, 14270), (5708, 14060), (7030, 11416), (7135, 11248)]