22640480

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2079

約数の個数: 48

約数和(自身を含む): 54268704

約数和(自身を除く): 31628224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1993, 2272, 2840, 3986, 5680, 7972, 9965, 11360, 15944, 19930, 31888, 39860, 63776, 79720, 141503, 159440, 283006, 318880, 566012, 707515, 1132024, 1415030, 2264048, 2830060, 4528096, 5660120, 11320240, 22640480]

約数ペア:

[(1, 22640480), (2, 11320240), (4, 5660120), (5, 4528096), (8, 2830060), (10, 2264048), (16, 1415030), (20, 1132024), (32, 707515), (40, 566012), (71, 318880), (80, 283006), (142, 159440), (160, 141503), (284, 79720), (355, 63776), (568, 39860), (710, 31888), (1136, 19930), (1420, 15944), (1993, 11360), (2272, 9965), (2840, 7972), (3986, 5680)]