1960240

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 4620240

約数和(自身を除く): 2660000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 229, 428, 458, 535, 856, 916, 1070, 1145, 1712, 1832, 2140, 2290, 3664, 4280, 4580, 8560, 9160, 18320, 24503, 49006, 98012, 122515, 196024, 245030, 392048, 490060, 980120, 1960240]

約数ペア:

[(1, 1960240), (2, 980120), (4, 490060), (5, 392048), (8, 245030), (10, 196024), (16, 122515), (20, 98012), (40, 49006), (80, 24503), (107, 18320), (214, 9160), (229, 8560), (428, 4580), (458, 4280), (535, 3664), (856, 2290), (916, 2140), (1070, 1832), (1145, 1712)]