39905880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47507}}^1$

素因数の和:47528

約数の個数: 64

約数和(自身を含む): 136823040

約数和(自身を除く): 96917160

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, 47507, 95014, 142521, 190028, 237535, 285042, 332549, 380056, 475070, 570084, 665098, 712605, 950140, 997647, 1140168, 1330196, 1425210, 1662745, 1900280, 1995294, 2660392, 2850420, 3325490, 3990588, 4988235, 5700840, 6650980, 7981176, 9976470, 13301960, 19952940, 39905880]

約数ペア:

[(1, 39905880), (2, 19952940), (3, 13301960), (4, 9976470), (5, 7981176), (6, 6650980), (7, 5700840), (8, 4988235), (10, 3990588), (12, 3325490), (14, 2850420), (15, 2660392), (20, 1995294), (21, 1900280), (24, 1662745), (28, 1425210), (30, 1330196), (35, 1140168), (40, 997647), (42, 950140), (56, 712605), (60, 665098), (70, 570084), (84, 475070), (105, 380056), (120, 332549), (140, 285042), (168, 237535), (210, 190028), (280, 142521), (420, 95014), (840, 47507)]