27637880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 64817280

約数和(自身を除く): 37179400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 241, 244, 305, 376, 470, 482, 488, 610, 940, 964, 1205, 1220, 1880, 1928, 2410, 2440, 2867, 4820, 5734, 9640, 11327, 11468, 14335, 14701, 22654, 22936, 28670, 29402, 45308, 56635, 57340, 58804, 73505, 90616, 113270, 114680, 117608, 147010, 226540, 294020, 453080, 588040, 690947, 1381894, 2763788, 3454735, 5527576, 6909470, 13818940, 27637880]

約数ペア:

[(1, 27637880), (2, 13818940), (4, 6909470), (5, 5527576), (8, 3454735), (10, 2763788), (20, 1381894), (40, 690947), (47, 588040), (61, 453080), (94, 294020), (122, 226540), (188, 147010), (235, 117608), (241, 114680), (244, 113270), (305, 90616), (376, 73505), (470, 58804), (482, 57340), (488, 56635), (610, 45308), (940, 29402), (964, 28670), (1205, 22936), (1220, 22654), (1880, 14701), (1928, 14335), (2410, 11468), (2440, 11327), (2867, 9640), (4820, 5734)]