31126790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 60056640

約数和(自身を除く): 28929850

約数列:

[1, 2, 5, 10, 31, 41, 62, 79, 82, 155, 158, 205, 310, 395, 410, 790, 961, 1271, 1922, 2449, 2542, 3239, 4805, 4898, 6355, 6478, 9610, 12245, 12710, 16195, 24490, 32390, 39401, 75919, 78802, 100409, 151838, 197005, 200818, 379595, 394010, 502045, 759190, 1004090, 3112679, 6225358, 15563395, 31126790]

約数ペア:

[(1, 31126790), (2, 15563395), (5, 6225358), (10, 3112679), (31, 1004090), (41, 759190), (62, 502045), (79, 394010), (82, 379595), (155, 200818), (158, 197005), (205, 151838), (310, 100409), (395, 78802), (410, 75919), (790, 39401), (961, 32390), (1271, 24490), (1922, 16195), (2449, 12710), (2542, 12245), (3239, 9610), (4805, 6478), (4898, 6355)]