51282680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41357}}^1$

素因数の和:41399

約数の個数: 32

約数和(自身を含む): 119111040

約数和(自身を除く): 67828360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41357, 82714, 165428, 206785, 330856, 413570, 827140, 1282067, 1654280, 2564134, 5128268, 6410335, 10256536, 12820670, 25641340, 51282680]

約数ペア:

[(1, 51282680), (2, 25641340), (4, 12820670), (5, 10256536), (8, 6410335), (10, 5128268), (20, 2564134), (31, 1654280), (40, 1282067), (62, 827140), (124, 413570), (155, 330856), (248, 206785), (310, 165428), (620, 82714), (1240, 41357)]