51445120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2643

約数の個数: 64

約数和(自身を含む): 127002240

約数和(自身を除く): 75557120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 2593, 3968, 4960, 5186, 9920, 10372, 12965, 19840, 20744, 25930, 41488, 51860, 80383, 82976, 103720, 160766, 165952, 207440, 321532, 331904, 401915, 414880, 643064, 803830, 829760, 1286128, 1607660, 1659520, 2572256, 3215320, 5144512, 6430640, 10289024, 12861280, 25722560, 51445120]

約数ペア:

[(1, 51445120), (2, 25722560), (4, 12861280), (5, 10289024), (8, 6430640), (10, 5144512), (16, 3215320), (20, 2572256), (31, 1659520), (32, 1607660), (40, 1286128), (62, 829760), (64, 803830), (80, 643064), (124, 414880), (128, 401915), (155, 331904), (160, 321532), (248, 207440), (310, 165952), (320, 160766), (496, 103720), (620, 82976), (640, 80383), (992, 51860), (1240, 41488), (1984, 25930), (2480, 20744), (2593, 19840), (3968, 12965), (4960, 10372), (5186, 9920)]