55175720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22613}}^1$

素因数の和:22685

約数の個数: 32

約数和(自身を含む): 126186120

約数和(自身を除く): 71010400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22613, 45226, 90452, 113065, 180904, 226130, 452260, 904520, 1379393, 2758786, 5517572, 6896965, 11035144, 13793930, 27587860, 55175720]

約数ペア:

[(1, 55175720), (2, 27587860), (4, 13793930), (5, 11035144), (8, 6896965), (10, 5517572), (20, 2758786), (40, 1379393), (61, 904520), (122, 452260), (244, 226130), (305, 180904), (488, 113065), (610, 90452), (1220, 45226), (2440, 22613)]