18228080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1074

約数の個数: 80

約数和(自身を含む): 48371904

約数和(自身を除く): 30143824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1031, 1040, 1105, 1360, 1768, 2062, 2210, 3536, 4124, 4420, 5155, 8248, 8840, 10310, 13403, 16496, 17527, 17680, 20620, 26806, 35054, 41240, 53612, 67015, 70108, 82480, 87635, 107224, 134030, 140216, 175270, 214448, 227851, 268060, 280432, 350540, 455702, 536120, 701080, 911404, 1072240, 1139255, 1402160, 1822808, 2278510, 3645616, 4557020, 9114040, 18228080]

約数ペア:

[(1, 18228080), (2, 9114040), (4, 4557020), (5, 3645616), (8, 2278510), (10, 1822808), (13, 1402160), (16, 1139255), (17, 1072240), (20, 911404), (26, 701080), (34, 536120), (40, 455702), (52, 350540), (65, 280432), (68, 268060), (80, 227851), (85, 214448), (104, 175270), (130, 140216), (136, 134030), (170, 107224), (208, 87635), (221, 82480), (260, 70108), (272, 67015), (340, 53612), (442, 41240), (520, 35054), (680, 26806), (884, 20620), (1031, 17680), (1040, 17527), (1105, 16496), (1360, 13403), (1768, 10310), (2062, 8840), (2210, 8248), (3536, 5155), (4124, 4420)]