53287760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21487}}^1$

素因数の和:21531

約数の個数: 40

約数和(自身を含む): 127896576

約数和(自身を除く): 74608816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21487, 42974, 85948, 107435, 171896, 214870, 343792, 429740, 666097, 859480, 1332194, 1718960, 2664388, 3330485, 5328776, 6660970, 10657552, 13321940, 26643880, 53287760]

約数ペア:

[(1, 53287760), (2, 26643880), (4, 13321940), (5, 10657552), (8, 6660970), (10, 5328776), (16, 3330485), (20, 2664388), (31, 1718960), (40, 1332194), (62, 859480), (80, 666097), (124, 429740), (155, 343792), (248, 214870), (310, 171896), (496, 107435), (620, 85948), (1240, 42974), (2480, 21487)]