11619440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20749}}^1$

素因数の和:20769

約数の個数: 40

約数和(自身を含む): 30876000

約数和(自身を除く): 19256560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20749, 41498, 82996, 103745, 145243, 165992, 207490, 290486, 331984, 414980, 580972, 726215, 829960, 1161944, 1452430, 1659920, 2323888, 2904860, 5809720, 11619440]

約数ペア:

[(1, 11619440), (2, 5809720), (4, 2904860), (5, 2323888), (7, 1659920), (8, 1452430), (10, 1161944), (14, 829960), (16, 726215), (20, 580972), (28, 414980), (35, 331984), (40, 290486), (56, 207490), (70, 165992), (80, 145243), (112, 103745), (140, 82996), (280, 41498), (560, 20749)]