40078920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47713}}^1$

素因数の和:47734

約数の個数: 64

約数和(自身を含む): 137416320

約数和(自身を除く): 97337400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 47713, 95426, 143139, 190852, 238565, 286278, 333991, 381704, 477130, 572556, 667982, 715695, 954260, 1001973, 1145112, 1335964, 1431390, 1669955, 1908520, 2003946, 2671928, 2862780, 3339910, 4007892, 5009865, 5725560, 6679820, 8015784, 10019730, 13359640, 20039460, 40078920]

約数ペア:

[(1, 40078920), (2, 20039460), (3, 13359640), (4, 10019730), (5, 8015784), (6, 6679820), (7, 5725560), (8, 5009865), (10, 4007892), (12, 3339910), (14, 2862780), (15, 2671928), (20, 2003946), (21, 1908520), (24, 1669955), (28, 1431390), (30, 1335964), (35, 1145112), (40, 1001973), (42, 954260), (56, 715695), (60, 667982), (70, 572556), (84, 477130), (105, 381704), (120, 333991), (140, 286278), (168, 238565), (210, 190852), (280, 143139), (420, 95426), (840, 47713)]