1915518804560

素因数分解:

$2^4\times 5^1\times {\mathrm{335411}}^1\times {\mathrm{71387}}^1$

素因数の和:406811

約数の個数: 40

約数和(自身を含む): 4453656885216

約数和(自身を除く): 2538138080656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 71387, 142774, 285548, 335411, 356935, 571096, 670822, 713870, 1142192, 1341644, 1427740, 1677055, 2683288, 2855480, 3354110, 5366576, 5710960, 6708220, 13416440, 26832880, 23943985057, 47887970114, 95775940228, 119719925285, 191551880456, 239439850570, 383103760912, 478879701140, 957759402280, 1915518804560]

約数ペア:

[(1, 1915518804560), (2, 957759402280), (4, 478879701140), (5, 383103760912), (8, 239439850570), (10, 191551880456), (16, 119719925285), (20, 95775940228), (40, 47887970114), (80, 23943985057), (71387, 26832880), (142774, 13416440), (285548, 6708220), (335411, 5710960), (356935, 5366576), (571096, 3354110), (670822, 2855480), (713870, 2683288), (1142192, 1677055), (1341644, 1427740)]