40290208

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^2\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 93786336

約数和(自身を除く): 53496128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 82, 107, 112, 164, 214, 224, 287, 328, 428, 574, 656, 749, 856, 1148, 1312, 1498, 1681, 1712, 2296, 2996, 3362, 3424, 4387, 4592, 5992, 6724, 8774, 9184, 11767, 11984, 13448, 17548, 23534, 23968, 26896, 30709, 35096, 47068, 53792, 61418, 70192, 94136, 122836, 140384, 179867, 188272, 245672, 359734, 376544, 491344, 719468, 982688, 1259069, 1438936, 2518138, 2877872, 5036276, 5755744, 10072552, 20145104, 40290208]

約数ペア:

[(1, 40290208), (2, 20145104), (4, 10072552), (7, 5755744), (8, 5036276), (14, 2877872), (16, 2518138), (28, 1438936), (32, 1259069), (41, 982688), (56, 719468), (82, 491344), (107, 376544), (112, 359734), (164, 245672), (214, 188272), (224, 179867), (287, 140384), (328, 122836), (428, 94136), (574, 70192), (656, 61418), (749, 53792), (856, 47068), (1148, 35096), (1312, 30709), (1498, 26896), (1681, 23968), (1712, 23534), (2296, 17548), (2996, 13448), (3362, 11984), (3424, 11767), (4387, 9184), (4592, 8774), (5992, 6724)]