18037040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 49520640

約数和(自身を除く): 31483600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1039, 1085, 1240, 1736, 2078, 2170, 2480, 3472, 4156, 4340, 5195, 7273, 8312, 8680, 10390, 14546, 16624, 17360, 20780, 29092, 32209, 36365, 41560, 58184, 64418, 72730, 83120, 116368, 128836, 145460, 161045, 225463, 257672, 290920, 322090, 450926, 515344, 581840, 644180, 901852, 1127315, 1288360, 1803704, 2254630, 2576720, 3607408, 4509260, 9018520, 18037040]

約数ペア:

[(1, 18037040), (2, 9018520), (4, 4509260), (5, 3607408), (7, 2576720), (8, 2254630), (10, 1803704), (14, 1288360), (16, 1127315), (20, 901852), (28, 644180), (31, 581840), (35, 515344), (40, 450926), (56, 322090), (62, 290920), (70, 257672), (80, 225463), (112, 161045), (124, 145460), (140, 128836), (155, 116368), (217, 83120), (248, 72730), (280, 64418), (310, 58184), (434, 41560), (496, 36365), (560, 32209), (620, 29092), (868, 20780), (1039, 17360), (1085, 16624), (1240, 14546), (1736, 10390), (2078, 8680), (2170, 8312), (2480, 7273), (3472, 5195), (4156, 4340)]