55207760

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3989}}^1$

素因数の和:4175

約数の個数: 40

約数和(自身を含む): 129132360

約数和(自身を除く): 73924600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 3989, 6920, 7978, 13840, 15956, 19945, 31912, 39890, 63824, 79780, 159560, 319120, 690097, 1380194, 2760388, 3450485, 5520776, 6900970, 11041552, 13801940, 27603880, 55207760]

約数ペア:

[(1, 55207760), (2, 27603880), (4, 13801940), (5, 11041552), (8, 6900970), (10, 5520776), (16, 3450485), (20, 2760388), (40, 1380194), (80, 690097), (173, 319120), (346, 159560), (692, 79780), (865, 63824), (1384, 39890), (1730, 31912), (2768, 19945), (3460, 15956), (3989, 13840), (6920, 7978)]