12589520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9257}}^1$

素因数の和:9287

約数の個数: 40

約数和(自身を含む): 30995784

約数和(自身を除く): 18406264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9257, 18514, 37028, 46285, 74056, 92570, 148112, 157369, 185140, 314738, 370280, 629476, 740560, 786845, 1258952, 1573690, 2517904, 3147380, 6294760, 12589520]

約数ペア:

[(1, 12589520), (2, 6294760), (4, 3147380), (5, 2517904), (8, 1573690), (10, 1258952), (16, 786845), (17, 740560), (20, 629476), (34, 370280), (40, 314738), (68, 185140), (80, 157369), (85, 148112), (136, 92570), (170, 74056), (272, 46285), (340, 37028), (680, 18514), (1360, 9257)]