78012800

素因数分解:

$2^7\times 5^2\times {\mathrm{24379}}^1$

素因数の和:24403

約数の個数: 48

約数和(自身を含む): 192723900

約数和(自身を除く): 114711100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 24379, 48758, 97516, 121895, 195032, 243790, 390064, 487580, 609475, 780128, 975160, 1218950, 1560256, 1950320, 2437900, 3120512, 3900640, 4875800, 7801280, 9751600, 15602560, 19503200, 39006400, 78012800]

約数ペア:

[(1, 78012800), (2, 39006400), (4, 19503200), (5, 15602560), (8, 9751600), (10, 7801280), (16, 4875800), (20, 3900640), (25, 3120512), (32, 2437900), (40, 1950320), (50, 1560256), (64, 1218950), (80, 975160), (100, 780128), (128, 609475), (160, 487580), (200, 390064), (320, 243790), (400, 195032), (640, 121895), (800, 97516), (1600, 48758), (3200, 24379)]