80029520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 201296640

約数和(自身を除く): 121267120

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, 1423, 1480, 1520, 2812, 2846, 2960, 3515, 5624, 5692, 7030, 7115, 11248, 11384, 14060, 14230, 22768, 27037, 28120, 28460, 52651, 54074, 56240, 56920, 105302, 108148, 113840, 135185, 210604, 216296, 263255, 270370, 421208, 432592, 526510, 540740, 842416, 1000369, 1053020, 1081480, 2000738, 2106040, 2162960, 4001476, 4212080, 5001845, 8002952, 10003690, 16005904, 20007380, 40014760, 80029520]

約数ペア:

[(1, 80029520), (2, 40014760), (4, 20007380), (5, 16005904), (8, 10003690), (10, 8002952), (16, 5001845), (19, 4212080), (20, 4001476), (37, 2162960), (38, 2106040), (40, 2000738), (74, 1081480), (76, 1053020), (80, 1000369), (95, 842416), (148, 540740), (152, 526510), (185, 432592), (190, 421208), (296, 270370), (304, 263255), (370, 216296), (380, 210604), (592, 135185), (703, 113840), (740, 108148), (760, 105302), (1406, 56920), (1423, 56240), (1480, 54074), (1520, 52651), (2812, 28460), (2846, 28120), (2960, 27037), (3515, 22768), (5624, 14230), (5692, 14060), (7030, 11384), (7115, 11248)]