54380960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19993}}^1$

素因数の和:20025

約数の個数: 48

約数和(自身を含む): 136039176

約数和(自身を除く): 81658216

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 19993, 39986, 79972, 99965, 159944, 199930, 319888, 339881, 399860, 639776, 679762, 799720, 1359524, 1599440, 1699405, 2719048, 3198880, 3398810, 5438096, 6797620, 10876192, 13595240, 27190480, 54380960]

約数ペア:

[(1, 54380960), (2, 27190480), (4, 13595240), (5, 10876192), (8, 6797620), (10, 5438096), (16, 3398810), (17, 3198880), (20, 2719048), (32, 1699405), (34, 1599440), (40, 1359524), (68, 799720), (80, 679762), (85, 639776), (136, 399860), (160, 339881), (170, 319888), (272, 199930), (340, 159944), (544, 99965), (680, 79972), (1360, 39986), (2720, 19993)]