51906160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 125706240

約数和(自身を除く): 73800080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 191, 215, 316, 344, 382, 395, 430, 632, 688, 764, 790, 860, 955, 1264, 1528, 1580, 1720, 1910, 3056, 3160, 3397, 3440, 3820, 6320, 6794, 7640, 8213, 13588, 15089, 15280, 16426, 16985, 27176, 30178, 32852, 33970, 41065, 54352, 60356, 65704, 67940, 75445, 82130, 120712, 131408, 135880, 150890, 164260, 241424, 271760, 301780, 328520, 603560, 648827, 657040, 1207120, 1297654, 2595308, 3244135, 5190616, 6488270, 10381232, 12976540, 25953080, 51906160]

約数ペア:

[(1, 51906160), (2, 25953080), (4, 12976540), (5, 10381232), (8, 6488270), (10, 5190616), (16, 3244135), (20, 2595308), (40, 1297654), (43, 1207120), (79, 657040), (80, 648827), (86, 603560), (158, 328520), (172, 301780), (191, 271760), (215, 241424), (316, 164260), (344, 150890), (382, 135880), (395, 131408), (430, 120712), (632, 82130), (688, 75445), (764, 67940), (790, 65704), (860, 60356), (955, 54352), (1264, 41065), (1528, 33970), (1580, 32852), (1720, 30178), (1910, 27176), (3056, 16985), (3160, 16426), (3397, 15280), (3440, 15089), (3820, 13588), (6320, 8213), (6794, 7640)]