25033540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 60504192

約数和(自身を除く): 35470652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1097, 1141, 1630, 2194, 2282, 3260, 4388, 4564, 5485, 5705, 7679, 10970, 11410, 15358, 21940, 22820, 30716, 38395, 76790, 153580, 178811, 357622, 715244, 894055, 1251677, 1788110, 2503354, 3576220, 5006708, 6258385, 12516770, 25033540]

約数ペア:

[(1, 25033540), (2, 12516770), (4, 6258385), (5, 5006708), (7, 3576220), (10, 2503354), (14, 1788110), (20, 1251677), (28, 894055), (35, 715244), (70, 357622), (140, 178811), (163, 153580), (326, 76790), (652, 38395), (815, 30716), (1097, 22820), (1141, 21940), (1630, 15358), (2194, 11410), (2282, 10970), (3260, 7679), (4388, 5705), (4564, 5485)]