51112040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 132105600

約数和(自身を除く): 80993560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 659, 1108, 1318, 1385, 1939, 2216, 2636, 2770, 3295, 3878, 4613, 5272, 5540, 6590, 7756, 9226, 9695, 11080, 13180, 15512, 18452, 19390, 23065, 26360, 36904, 38780, 46130, 77560, 92260, 182543, 184520, 365086, 730172, 912715, 1277801, 1460344, 1825430, 2555602, 3650860, 5111204, 6389005, 7301720, 10222408, 12778010, 25556020, 51112040]

約数ペア:

[(1, 51112040), (2, 25556020), (4, 12778010), (5, 10222408), (7, 7301720), (8, 6389005), (10, 5111204), (14, 3650860), (20, 2555602), (28, 1825430), (35, 1460344), (40, 1277801), (56, 912715), (70, 730172), (140, 365086), (277, 184520), (280, 182543), (554, 92260), (659, 77560), (1108, 46130), (1318, 38780), (1385, 36904), (1939, 26360), (2216, 23065), (2636, 19390), (2770, 18452), (3295, 15512), (3878, 13180), (4613, 11080), (5272, 9695), (5540, 9226), (6590, 7756)]