155578880

素因数分解:

$2^9\times 5^1\times {\mathrm{60773}}^1$

素因数の和:60796

約数の個数: 40

約数和(自身を含む): 373030812

約数和(自身を除く): 217451932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 60773, 121546, 243092, 303865, 486184, 607730, 972368, 1215460, 1944736, 2430920, 3889472, 4861840, 7778944, 9723680, 15557888, 19447360, 31115776, 38894720, 77789440, 155578880]

約数ペア:

[(1, 155578880), (2, 77789440), (4, 38894720), (5, 31115776), (8, 19447360), (10, 15557888), (16, 9723680), (20, 7778944), (32, 4861840), (40, 3889472), (64, 2430920), (80, 1944736), (128, 1215460), (160, 972368), (256, 607730), (320, 486184), (512, 303865), (640, 243092), (1280, 121546), (2560, 60773)]