56390240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11369}}^1$

素因数の和:11415

約数の個数: 48

約数和(自身を含む): 137531520

約数和(自身を除く): 81141280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 11369, 22738, 45476, 56845, 90952, 113690, 181904, 227380, 352439, 363808, 454760, 704878, 909520, 1409756, 1762195, 1819040, 2819512, 3524390, 5639024, 7048780, 11278048, 14097560, 28195120, 56390240]

約数ペア:

[(1, 56390240), (2, 28195120), (4, 14097560), (5, 11278048), (8, 7048780), (10, 5639024), (16, 3524390), (20, 2819512), (31, 1819040), (32, 1762195), (40, 1409756), (62, 909520), (80, 704878), (124, 454760), (155, 363808), (160, 352439), (248, 227380), (310, 181904), (496, 113690), (620, 90952), (992, 56845), (1240, 45476), (2480, 22738), (4960, 11369)]