8373520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 21212928

約数和(自身を除く): 12839408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 131, 136, 170, 188, 235, 262, 272, 340, 376, 470, 524, 655, 680, 752, 799, 940, 1048, 1310, 1360, 1598, 1880, 2096, 2227, 2620, 3196, 3760, 3995, 4454, 5240, 6157, 6392, 7990, 8908, 10480, 11135, 12314, 12784, 15980, 17816, 22270, 24628, 30785, 31960, 35632, 44540, 49256, 61570, 63920, 89080, 98512, 104669, 123140, 178160, 209338, 246280, 418676, 492560, 523345, 837352, 1046690, 1674704, 2093380, 4186760, 8373520]

約数ペア:

[(1, 8373520), (2, 4186760), (4, 2093380), (5, 1674704), (8, 1046690), (10, 837352), (16, 523345), (17, 492560), (20, 418676), (34, 246280), (40, 209338), (47, 178160), (68, 123140), (80, 104669), (85, 98512), (94, 89080), (131, 63920), (136, 61570), (170, 49256), (188, 44540), (235, 35632), (262, 31960), (272, 30785), (340, 24628), (376, 22270), (470, 17816), (524, 15980), (655, 12784), (680, 12314), (752, 11135), (799, 10480), (940, 8908), (1048, 7990), (1310, 6392), (1360, 6157), (1598, 5240), (1880, 4454), (2096, 3995), (2227, 3760), (2620, 3196)]