30978560

素因数分解:

$2^9\times 5^1\times {\mathrm{12101}}^1$

素因数の和:12124

約数の個数: 40

約数和(自身を含む): 74282076

約数和(自身を除く): 43303516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12101, 24202, 48404, 60505, 96808, 121010, 193616, 242020, 387232, 484040, 774464, 968080, 1548928, 1936160, 3097856, 3872320, 6195712, 7744640, 15489280, 30978560]

約数ペア:

[(1, 30978560), (2, 15489280), (4, 7744640), (5, 6195712), (8, 3872320), (10, 3097856), (16, 1936160), (20, 1548928), (32, 968080), (40, 774464), (64, 484040), (80, 387232), (128, 242020), (160, 193616), (256, 121010), (320, 96808), (512, 60505), (640, 48404), (1280, 24202), (2560, 12101)]