13100920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 21113480

約数列:

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

約数ペア:

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