38455120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 98832960

約数和(自身を除く): 60377840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 491, 712, 880, 890, 979, 982, 1424, 1780, 1958, 1964, 2455, 3560, 3916, 3928, 4895, 4910, 5401, 7120, 7832, 7856, 9790, 9820, 10802, 15664, 19580, 19640, 21604, 27005, 39160, 39280, 43208, 43699, 54010, 78320, 86416, 87398, 108020, 174796, 216040, 218495, 349592, 432080, 436990, 480689, 699184, 873980, 961378, 1747960, 1922756, 2403445, 3495920, 3845512, 4806890, 7691024, 9613780, 19227560, 38455120]

約数ペア:

[(1, 38455120), (2, 19227560), (4, 9613780), (5, 7691024), (8, 4806890), (10, 3845512), (11, 3495920), (16, 2403445), (20, 1922756), (22, 1747960), (40, 961378), (44, 873980), (55, 699184), (80, 480689), (88, 436990), (89, 432080), (110, 349592), (176, 218495), (178, 216040), (220, 174796), (356, 108020), (440, 87398), (445, 86416), (491, 78320), (712, 54010), (880, 43699), (890, 43208), (979, 39280), (982, 39160), (1424, 27005), (1780, 21604), (1958, 19640), (1964, 19580), (2455, 15664), (3560, 10802), (3916, 9820), (3928, 9790), (4895, 7856), (4910, 7832), (5401, 7120)]