53491120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21569}}^1$

素因数の和:21613

約数の個数: 40

約数和(自身を含む): 128384640

約数和(自身を除く): 74893520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21569, 43138, 86276, 107845, 172552, 215690, 345104, 431380, 668639, 862760, 1337278, 1725520, 2674556, 3343195, 5349112, 6686390, 10698224, 13372780, 26745560, 53491120]

約数ペア:

[(1, 53491120), (2, 26745560), (4, 13372780), (5, 10698224), (8, 6686390), (10, 5349112), (16, 3343195), (20, 2674556), (31, 1725520), (40, 1337278), (62, 862760), (80, 668639), (124, 431380), (155, 345104), (248, 215690), (310, 172552), (496, 107845), (620, 86276), (1240, 43138), (2480, 21569)]