54931720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 73631480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 479, 488, 610, 940, 958, 1220, 1880, 1916, 2395, 2440, 2867, 3832, 4790, 5734, 9580, 11468, 14335, 19160, 22513, 22936, 28670, 29219, 45026, 57340, 58438, 90052, 112565, 114680, 116876, 146095, 180104, 225130, 233752, 292190, 450260, 584380, 900520, 1168760, 1373293, 2746586, 5493172, 6866465, 10986344, 13732930, 27465860, 54931720]

約数ペア:

[(1, 54931720), (2, 27465860), (4, 13732930), (5, 10986344), (8, 6866465), (10, 5493172), (20, 2746586), (40, 1373293), (47, 1168760), (61, 900520), (94, 584380), (122, 450260), (188, 292190), (235, 233752), (244, 225130), (305, 180104), (376, 146095), (470, 116876), (479, 114680), (488, 112565), (610, 90052), (940, 58438), (958, 57340), (1220, 45026), (1880, 29219), (1916, 28670), (2395, 22936), (2440, 22513), (2867, 19160), (3832, 14335), (4790, 11468), (5734, 9580)]