39420920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12799}}^1$

素因数の和:12828

約数の個数: 64

約数和(自身を含む): 110592000

約数和(自身を除く): 71171080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 12799, 25598, 51196, 63995, 89593, 102392, 127990, 140789, 179186, 255980, 281578, 358372, 447965, 511960, 563156, 703945, 716744, 895930, 985523, 1126312, 1407890, 1791860, 1971046, 2815780, 3583720, 3942092, 4927615, 5631560, 7884184, 9855230, 19710460, 39420920]

約数ペア:

[(1, 39420920), (2, 19710460), (4, 9855230), (5, 7884184), (7, 5631560), (8, 4927615), (10, 3942092), (11, 3583720), (14, 2815780), (20, 1971046), (22, 1791860), (28, 1407890), (35, 1126312), (40, 985523), (44, 895930), (55, 716744), (56, 703945), (70, 563156), (77, 511960), (88, 447965), (110, 358372), (140, 281578), (154, 255980), (220, 179186), (280, 140789), (308, 127990), (385, 102392), (440, 89593), (616, 63995), (770, 51196), (1540, 25598), (3080, 12799)]