39647360

素因数分解:

$2^7\times 5^1\times {\mathrm{61949}}^1$

素因数の和:61968

約数の個数: 32

約数和(自身を含む): 94783500

約数和(自身を除く): 55136140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 61949, 123898, 247796, 309745, 495592, 619490, 991184, 1238980, 1982368, 2477960, 3964736, 4955920, 7929472, 9911840, 19823680, 39647360]

約数ペア:

[(1, 39647360), (2, 19823680), (4, 9911840), (5, 7929472), (8, 4955920), (10, 3964736), (16, 2477960), (20, 1982368), (32, 1238980), (40, 991184), (64, 619490), (80, 495592), (128, 309745), (160, 247796), (320, 123898), (640, 61949)]