38817920

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 93709440

約数和(自身を除く): 54891520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 463, 524, 640, 655, 926, 1048, 1310, 1852, 2096, 2315, 2620, 3704, 4192, 4630, 5240, 7408, 8384, 9260, 10480, 14816, 16768, 18520, 20960, 29632, 37040, 41920, 59264, 60653, 74080, 83840, 121306, 148160, 242612, 296320, 303265, 485224, 606530, 970448, 1213060, 1940896, 2426120, 3881792, 4852240, 7763584, 9704480, 19408960, 38817920]

約数ペア:

[(1, 38817920), (2, 19408960), (4, 9704480), (5, 7763584), (8, 4852240), (10, 3881792), (16, 2426120), (20, 1940896), (32, 1213060), (40, 970448), (64, 606530), (80, 485224), (128, 303265), (131, 296320), (160, 242612), (262, 148160), (320, 121306), (463, 83840), (524, 74080), (640, 60653), (655, 59264), (926, 41920), (1048, 37040), (1310, 29632), (1852, 20960), (2096, 18520), (2315, 16768), (2620, 14816), (3704, 10480), (4192, 9260), (4630, 8384), (5240, 7408)]