80838880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12323}}^1$

素因数の和:12379

約数の個数: 48

約数和(自身を含む): 195655824

約数和(自身を除く): 114816944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12323, 24646, 49292, 61615, 98584, 123230, 197168, 246460, 394336, 492920, 505243, 985840, 1010486, 1971680, 2020972, 2526215, 4041944, 5052430, 8083888, 10104860, 16167776, 20209720, 40419440, 80838880]

約数ペア:

[(1, 80838880), (2, 40419440), (4, 20209720), (5, 16167776), (8, 10104860), (10, 8083888), (16, 5052430), (20, 4041944), (32, 2526215), (40, 2020972), (41, 1971680), (80, 1010486), (82, 985840), (160, 505243), (164, 492920), (205, 394336), (328, 246460), (410, 197168), (656, 123230), (820, 98584), (1312, 61615), (1640, 49292), (3280, 24646), (6560, 12323)]