986571280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397811}}^1$

素因数の和:397855

約数の個数: 40

約数和(自身を含む): 2367777024

約数和(自身を除く): 1381205744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 397811, 795622, 1591244, 1989055, 3182488, 3978110, 6364976, 7956220, 12332141, 15912440, 24664282, 31824880, 49328564, 61660705, 98657128, 123321410, 197314256, 246642820, 493285640, 986571280]

約数ペア:

[(1, 986571280), (2, 493285640), (4, 246642820), (5, 197314256), (8, 123321410), (10, 98657128), (16, 61660705), (20, 49328564), (31, 31824880), (40, 24664282), (62, 15912440), (80, 12332141), (124, 7956220), (155, 6364976), (248, 3978110), (310, 3182488), (496, 1989055), (620, 1591244), (1240, 795622), (2480, 397811)]