2122240

素因数分解:

$2^9\times 5^1\times {\mathrm{829}}^1$

素因数の和:852

約数の個数: 40

約数和(自身を含む): 5094540

約数和(自身を除く): 2972300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 829, 1280, 1658, 2560, 3316, 4145, 6632, 8290, 13264, 16580, 26528, 33160, 53056, 66320, 106112, 132640, 212224, 265280, 424448, 530560, 1061120, 2122240]

約数ペア:

[(1, 2122240), (2, 1061120), (4, 530560), (5, 424448), (8, 265280), (10, 212224), (16, 132640), (20, 106112), (32, 66320), (40, 53056), (64, 33160), (80, 26528), (128, 16580), (160, 13264), (256, 8290), (320, 6632), (512, 4145), (640, 3316), (829, 2560), (1280, 1658)]