25388020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4423}}^1$

素因数の和:4480

約数の個数: 48

約数和(自身を含む): 62431488

約数和(自身を除く): 37043468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4423, 5740, 8846, 17692, 22115, 30961, 44230, 61922, 88460, 123844, 154805, 181343, 309610, 362686, 619220, 725372, 906715, 1269401, 1813430, 2538802, 3626860, 5077604, 6347005, 12694010, 25388020]

約数ペア:

[(1, 25388020), (2, 12694010), (4, 6347005), (5, 5077604), (7, 3626860), (10, 2538802), (14, 1813430), (20, 1269401), (28, 906715), (35, 725372), (41, 619220), (70, 362686), (82, 309610), (140, 181343), (164, 154805), (205, 123844), (287, 88460), (410, 61922), (574, 44230), (820, 30961), (1148, 22115), (1435, 17692), (2870, 8846), (4423, 5740)]