10206520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 24105600

約数和(自身を除く): 13899080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 89, 94, 122, 178, 188, 235, 244, 305, 356, 376, 445, 470, 488, 610, 712, 890, 940, 1220, 1780, 1880, 2440, 2867, 3560, 4183, 5429, 5734, 8366, 10858, 11468, 14335, 16732, 20915, 21716, 22936, 27145, 28670, 33464, 41830, 43432, 54290, 57340, 83660, 108580, 114680, 167320, 217160, 255163, 510326, 1020652, 1275815, 2041304, 2551630, 5103260, 10206520]

約数ペア:

[(1, 10206520), (2, 5103260), (4, 2551630), (5, 2041304), (8, 1275815), (10, 1020652), (20, 510326), (40, 255163), (47, 217160), (61, 167320), (89, 114680), (94, 108580), (122, 83660), (178, 57340), (188, 54290), (235, 43432), (244, 41830), (305, 33464), (356, 28670), (376, 27145), (445, 22936), (470, 21716), (488, 20915), (610, 16732), (712, 14335), (890, 11468), (940, 10858), (1220, 8366), (1780, 5734), (1880, 5429), (2440, 4183), (2867, 3560)]