122480000

素因数分解:

$2^7\times 5^4\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 80

約数和(自身を含む): 305105460

約数和(自身を除く): 182625460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1531, 1600, 2000, 2500, 3062, 3200, 4000, 5000, 6124, 7655, 8000, 10000, 12248, 15310, 16000, 20000, 24496, 30620, 38275, 40000, 48992, 61240, 76550, 80000, 97984, 122480, 153100, 191375, 195968, 244960, 306200, 382750, 489920, 612400, 765500, 956875, 979840, 1224800, 1531000, 1913750, 2449600, 3062000, 3827500, 4899200, 6124000, 7655000, 12248000, 15310000, 24496000, 30620000, 61240000, 122480000]

約数ペア:

[(1, 122480000), (2, 61240000), (4, 30620000), (5, 24496000), (8, 15310000), (10, 12248000), (16, 7655000), (20, 6124000), (25, 4899200), (32, 3827500), (40, 3062000), (50, 2449600), (64, 1913750), (80, 1531000), (100, 1224800), (125, 979840), (128, 956875), (160, 765500), (200, 612400), (250, 489920), (320, 382750), (400, 306200), (500, 244960), (625, 195968), (640, 191375), (800, 153100), (1000, 122480), (1250, 97984), (1531, 80000), (1600, 76550), (2000, 61240), (2500, 48992), (3062, 40000), (3200, 38275), (4000, 30620), (5000, 24496), (6124, 20000), (7655, 16000), (8000, 15310), (10000, 12248)]