39672640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 112

約数和(自身を含む): 109728000

約数和(自身を除く): 70055360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 199, 224, 280, 320, 356, 398, 445, 448, 560, 623, 712, 796, 890, 995, 1120, 1246, 1393, 1424, 1592, 1780, 1990, 2240, 2492, 2786, 2848, 3115, 3184, 3560, 3980, 4984, 5572, 5696, 6230, 6368, 6965, 7120, 7960, 9968, 11144, 12460, 12736, 13930, 14240, 15920, 17711, 19936, 22288, 24920, 27860, 28480, 31840, 35422, 39872, 44576, 49840, 55720, 63680, 70844, 88555, 89152, 99680, 111440, 123977, 141688, 177110, 199360, 222880, 247954, 283376, 354220, 445760, 495908, 566752, 619885, 708440, 991816, 1133504, 1239770, 1416880, 1983632, 2479540, 2833760, 3967264, 4959080, 5667520, 7934528, 9918160, 19836320, 39672640]

約数ペア:

[(1, 39672640), (2, 19836320), (4, 9918160), (5, 7934528), (7, 5667520), (8, 4959080), (10, 3967264), (14, 2833760), (16, 2479540), (20, 1983632), (28, 1416880), (32, 1239770), (35, 1133504), (40, 991816), (56, 708440), (64, 619885), (70, 566752), (80, 495908), (89, 445760), (112, 354220), (140, 283376), (160, 247954), (178, 222880), (199, 199360), (224, 177110), (280, 141688), (320, 123977), (356, 111440), (398, 99680), (445, 89152), (448, 88555), (560, 70844), (623, 63680), (712, 55720), (796, 49840), (890, 44576), (995, 39872), (1120, 35422), (1246, 31840), (1393, 28480), (1424, 27860), (1592, 24920), (1780, 22288), (1990, 19936), (2240, 17711), (2492, 15920), (2786, 14240), (2848, 13930), (3115, 12736), (3184, 12460), (3560, 11144), (3980, 9968), (4984, 7960), (5572, 7120), (5696, 6965), (6230, 6368)]