12453520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9157}}^1$

素因数の和:9187

約数の個数: 40

約数和(自身を含む): 30660984

約数和(自身を除く): 18207464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9157, 18314, 36628, 45785, 73256, 91570, 146512, 155669, 183140, 311338, 366280, 622676, 732560, 778345, 1245352, 1556690, 2490704, 3113380, 6226760, 12453520]

約数ペア:

[(1, 12453520), (2, 6226760), (4, 3113380), (5, 2490704), (8, 1556690), (10, 1245352), (16, 778345), (17, 732560), (20, 622676), (34, 366280), (40, 311338), (68, 183140), (80, 155669), (85, 146512), (136, 91570), (170, 73256), (272, 45785), (340, 36628), (680, 18314), (1360, 9157)]