1212087920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{369539}}^1$

素因数の和:369593

約数の個数: 40

約数和(自身を含む): 2886846480

約数和(自身を除く): 1674758560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 369539, 739078, 1478156, 1847695, 2956312, 3695390, 5912624, 7390780, 14781560, 15151099, 29563120, 30302198, 60604396, 75755495, 121208792, 151510990, 242417584, 303021980, 606043960, 1212087920]

約数ペア:

[(1, 1212087920), (2, 606043960), (4, 303021980), (5, 242417584), (8, 151510990), (10, 121208792), (16, 75755495), (20, 60604396), (40, 30302198), (41, 29563120), (80, 15151099), (82, 14781560), (164, 7390780), (205, 5912624), (328, 3695390), (410, 2956312), (656, 1847695), (820, 1478156), (1640, 739078), (3280, 369539)]