25647860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1097}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 61979904

約数和(自身を除く): 36332044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1097, 1169, 1670, 2194, 2338, 3340, 4388, 4676, 5485, 5845, 7679, 10970, 11690, 15358, 21940, 23380, 30716, 38395, 76790, 153580, 183199, 366398, 732796, 915995, 1282393, 1831990, 2564786, 3663980, 5129572, 6411965, 12823930, 25647860]

約数ペア:

[(1, 25647860), (2, 12823930), (4, 6411965), (5, 5129572), (7, 3663980), (10, 2564786), (14, 1831990), (20, 1282393), (28, 915995), (35, 732796), (70, 366398), (140, 183199), (167, 153580), (334, 76790), (668, 38395), (835, 30716), (1097, 23380), (1169, 21940), (1670, 15358), (2194, 11690), (2338, 10970), (3340, 7679), (4388, 5845), (4676, 5485)]