87788540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3847}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 212040192

約数和(自身を除く): 124251652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3847, 4564, 5705, 7694, 11410, 15388, 19235, 22820, 26929, 38470, 53858, 76940, 107716, 134645, 269290, 538580, 627061, 1254122, 2508244, 3135305, 4389427, 6270610, 8778854, 12541220, 17557708, 21947135, 43894270, 87788540]

約数ペア:

[(1, 87788540), (2, 43894270), (4, 21947135), (5, 17557708), (7, 12541220), (10, 8778854), (14, 6270610), (20, 4389427), (28, 3135305), (35, 2508244), (70, 1254122), (140, 627061), (163, 538580), (326, 269290), (652, 134645), (815, 107716), (1141, 76940), (1630, 53858), (2282, 38470), (3260, 26929), (3847, 22820), (4564, 19235), (5705, 15388), (7694, 11410)]