13073920

素因数分解:

$2^9\times 5^1\times {\mathrm{5107}}^1$

素因数の和:5130

約数の個数: 40

約数和(自身を含む): 31352904

約数和(自身を除く): 18278984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5107, 10214, 20428, 25535, 40856, 51070, 81712, 102140, 163424, 204280, 326848, 408560, 653696, 817120, 1307392, 1634240, 2614784, 3268480, 6536960, 13073920]

約数ペア:

[(1, 13073920), (2, 6536960), (4, 3268480), (5, 2614784), (8, 1634240), (10, 1307392), (16, 817120), (20, 653696), (32, 408560), (40, 326848), (64, 204280), (80, 163424), (128, 102140), (160, 81712), (256, 51070), (320, 40856), (512, 25535), (640, 20428), (1280, 10214), (2560, 5107)]