86918720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{38803}}^1$

素因数の和:38827

約数の個数: 56

約数和(自身を含む): 236549184

約数和(自身を除く): 149630464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 38803, 77606, 155212, 194015, 271621, 310424, 388030, 543242, 620848, 776060, 1086484, 1241696, 1358105, 1552120, 2172968, 2483392, 2716210, 3104240, 4345936, 5432420, 6208480, 8691872, 10864840, 12416960, 17383744, 21729680, 43459360, 86918720]

約数ペア:

[(1, 86918720), (2, 43459360), (4, 21729680), (5, 17383744), (7, 12416960), (8, 10864840), (10, 8691872), (14, 6208480), (16, 5432420), (20, 4345936), (28, 3104240), (32, 2716210), (35, 2483392), (40, 2172968), (56, 1552120), (64, 1358105), (70, 1241696), (80, 1086484), (112, 776060), (140, 620848), (160, 543242), (224, 388030), (280, 310424), (320, 271621), (448, 194015), (560, 155212), (1120, 77606), (2240, 38803)]