158937320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 368928000

約数和(自身を除く): 209990680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 199, 205, 328, 398, 410, 487, 796, 820, 974, 995, 1592, 1640, 1948, 1990, 2435, 3896, 3980, 4870, 7960, 8159, 9740, 16318, 19480, 19967, 32636, 39934, 40795, 65272, 79868, 81590, 96913, 99835, 159736, 163180, 193826, 199670, 326360, 387652, 399340, 484565, 775304, 798680, 969130, 1938260, 3876520, 3973433, 7946866, 15893732, 19867165, 31787464, 39734330, 79468660, 158937320]

約数ペア:

[(1, 158937320), (2, 79468660), (4, 39734330), (5, 31787464), (8, 19867165), (10, 15893732), (20, 7946866), (40, 3973433), (41, 3876520), (82, 1938260), (164, 969130), (199, 798680), (205, 775304), (328, 484565), (398, 399340), (410, 387652), (487, 326360), (796, 199670), (820, 193826), (974, 163180), (995, 159736), (1592, 99835), (1640, 96913), (1948, 81590), (1990, 79868), (2435, 65272), (3896, 40795), (3980, 39934), (4870, 32636), (7960, 19967), (8159, 19480), (9740, 16318)]