91542040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 212544000

約数和(自身を除く): 121001960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 118, 158, 236, 295, 316, 395, 472, 491, 590, 632, 790, 982, 1180, 1580, 1964, 2360, 2455, 3160, 3928, 4661, 4910, 9322, 9820, 18644, 19640, 23305, 28969, 37288, 38789, 46610, 57938, 77578, 93220, 115876, 144845, 155156, 186440, 193945, 231752, 289690, 310312, 387890, 579380, 775780, 1158760, 1551560, 2288551, 4577102, 9154204, 11442755, 18308408, 22885510, 45771020, 91542040]

約数ペア:

[(1, 91542040), (2, 45771020), (4, 22885510), (5, 18308408), (8, 11442755), (10, 9154204), (20, 4577102), (40, 2288551), (59, 1551560), (79, 1158760), (118, 775780), (158, 579380), (236, 387890), (295, 310312), (316, 289690), (395, 231752), (472, 193945), (491, 186440), (590, 155156), (632, 144845), (790, 115876), (982, 93220), (1180, 77578), (1580, 57938), (1964, 46610), (2360, 38789), (2455, 37288), (3160, 28969), (3928, 23305), (4661, 19640), (4910, 18644), (9322, 9820)]