26201840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 44507920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 659, 710, 994, 1136, 1318, 1420, 1988, 2485, 2636, 2840, 3295, 3976, 4613, 4970, 5272, 5680, 6590, 7952, 9226, 9940, 10544, 13180, 18452, 19880, 23065, 26360, 36904, 39760, 46130, 46789, 52720, 73808, 92260, 93578, 184520, 187156, 233945, 327523, 369040, 374312, 467890, 655046, 748624, 935780, 1310092, 1637615, 1871560, 2620184, 3275230, 3743120, 5240368, 6550460, 13100920, 26201840]

約数ペア:

[(1, 26201840), (2, 13100920), (4, 6550460), (5, 5240368), (7, 3743120), (8, 3275230), (10, 2620184), (14, 1871560), (16, 1637615), (20, 1310092), (28, 935780), (35, 748624), (40, 655046), (56, 467890), (70, 374312), (71, 369040), (80, 327523), (112, 233945), (140, 187156), (142, 184520), (280, 93578), (284, 92260), (355, 73808), (497, 52720), (560, 46789), (568, 46130), (659, 39760), (710, 36904), (994, 26360), (1136, 23065), (1318, 19880), (1420, 18452), (1988, 13180), (2485, 10544), (2636, 9940), (2840, 9226), (3295, 7952), (3976, 6590), (4613, 5680), (4970, 5272)]