248962240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25097}}^1$

素因数の和:25145

約数の個数: 56

約数和(自身を含む): 611989632

約数和(自身を除く): 363027392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 25097, 50194, 100388, 125485, 200776, 250970, 401552, 501940, 778007, 803104, 1003880, 1556014, 1606208, 2007760, 3112028, 3890035, 4015520, 6224056, 7780070, 8031040, 12448112, 15560140, 24896224, 31120280, 49792448, 62240560, 124481120, 248962240]

約数ペア:

[(1, 248962240), (2, 124481120), (4, 62240560), (5, 49792448), (8, 31120280), (10, 24896224), (16, 15560140), (20, 12448112), (31, 8031040), (32, 7780070), (40, 6224056), (62, 4015520), (64, 3890035), (80, 3112028), (124, 2007760), (155, 1606208), (160, 1556014), (248, 1003880), (310, 803104), (320, 778007), (496, 501940), (620, 401552), (992, 250970), (1240, 200776), (1984, 125485), (2480, 100388), (4960, 50194), (9920, 25097)]