1777881440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{258413}}^1$

素因数の和:258471

約数の個数: 48

約数和(自身を含む): 4297941648

約数和(自身を除く): 2520060208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 258413, 516826, 1033652, 1292065, 2067304, 2584130, 4134608, 5168260, 8269216, 10336520, 11111759, 20673040, 22223518, 41346080, 44447036, 55558795, 88894072, 111117590, 177788144, 222235180, 355576288, 444470360, 888940720, 1777881440]

約数ペア:

[(1, 1777881440), (2, 888940720), (4, 444470360), (5, 355576288), (8, 222235180), (10, 177788144), (16, 111117590), (20, 88894072), (32, 55558795), (40, 44447036), (43, 41346080), (80, 22223518), (86, 20673040), (160, 11111759), (172, 10336520), (215, 8269216), (344, 5168260), (430, 4134608), (688, 2584130), (860, 2067304), (1376, 1292065), (1720, 1033652), (3440, 516826), (6880, 258413)]