2479280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1853

約数の個数: 40

約数和(自身を含む): 6106752

約数和(自身を除く): 3627472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1823, 3646, 7292, 9115, 14584, 18230, 29168, 30991, 36460, 61982, 72920, 123964, 145840, 154955, 247928, 309910, 495856, 619820, 1239640, 2479280]

約数ペア:

[(1, 2479280), (2, 1239640), (4, 619820), (5, 495856), (8, 309910), (10, 247928), (16, 154955), (17, 145840), (20, 123964), (34, 72920), (40, 61982), (68, 36460), (80, 30991), (85, 29168), (136, 18230), (170, 14584), (272, 9115), (340, 7292), (680, 3646), (1360, 1823)]