39915680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 108936576

約数和(自身を除く): 69020896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 227, 280, 314, 454, 560, 628, 785, 908, 1099, 1120, 1135, 1256, 1570, 1589, 1816, 2198, 2270, 2512, 3140, 3178, 3632, 4396, 4540, 5024, 5495, 6280, 6356, 7264, 7945, 8792, 9080, 10990, 12560, 12712, 15890, 17584, 18160, 21980, 25120, 25424, 31780, 35168, 35639, 36320, 43960, 50848, 63560, 71278, 87920, 127120, 142556, 175840, 178195, 249473, 254240, 285112, 356390, 498946, 570224, 712780, 997892, 1140448, 1247365, 1425560, 1995784, 2494730, 2851120, 3991568, 4989460, 5702240, 7983136, 9978920, 19957840, 39915680]

約数ペア:

[(1, 39915680), (2, 19957840), (4, 9978920), (5, 7983136), (7, 5702240), (8, 4989460), (10, 3991568), (14, 2851120), (16, 2494730), (20, 1995784), (28, 1425560), (32, 1247365), (35, 1140448), (40, 997892), (56, 712780), (70, 570224), (80, 498946), (112, 356390), (140, 285112), (157, 254240), (160, 249473), (224, 178195), (227, 175840), (280, 142556), (314, 127120), (454, 87920), (560, 71278), (628, 63560), (785, 50848), (908, 43960), (1099, 36320), (1120, 35639), (1135, 35168), (1256, 31780), (1570, 25424), (1589, 25120), (1816, 21980), (2198, 18160), (2270, 17584), (2512, 15890), (3140, 12712), (3178, 12560), (3632, 10990), (4396, 9080), (4540, 8792), (5024, 7945), (5495, 7264), (6280, 6356)]