12459520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 80

約数和(自身を含む): 31033728

約数和(自身を除く): 18574208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 157, 160, 248, 256, 310, 314, 320, 496, 512, 620, 628, 640, 785, 992, 1240, 1256, 1280, 1570, 1984, 2480, 2512, 2560, 3140, 3968, 4867, 4960, 5024, 6280, 7936, 9734, 9920, 10048, 12560, 15872, 19468, 19840, 20096, 24335, 25120, 38936, 39680, 40192, 48670, 50240, 77872, 79360, 80384, 97340, 100480, 155744, 194680, 200960, 311488, 389360, 401920, 622976, 778720, 1245952, 1557440, 2491904, 3114880, 6229760, 12459520]

約数ペア:

[(1, 12459520), (2, 6229760), (4, 3114880), (5, 2491904), (8, 1557440), (10, 1245952), (16, 778720), (20, 622976), (31, 401920), (32, 389360), (40, 311488), (62, 200960), (64, 194680), (80, 155744), (124, 100480), (128, 97340), (155, 80384), (157, 79360), (160, 77872), (248, 50240), (256, 48670), (310, 40192), (314, 39680), (320, 38936), (496, 25120), (512, 24335), (620, 20096), (628, 19840), (640, 19468), (785, 15872), (992, 12560), (1240, 10048), (1256, 9920), (1280, 9734), (1570, 7936), (1984, 6280), (2480, 5024), (2512, 4960), (2560, 4867), (3140, 3968)]