7253720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4423}}^1$

素因数の和:4475

約数の個数: 32

約数和(自身を含む): 16722720

約数和(自身を除く): 9469000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4423, 8846, 17692, 22115, 35384, 44230, 88460, 176920, 181343, 362686, 725372, 906715, 1450744, 1813430, 3626860, 7253720]

約数ペア:

[(1, 7253720), (2, 3626860), (4, 1813430), (5, 1450744), (8, 906715), (10, 725372), (20, 362686), (40, 181343), (41, 176920), (82, 88460), (164, 44230), (205, 35384), (328, 22115), (410, 17692), (820, 8846), (1640, 4423)]