2112711680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{412639}}^1$

素因数の和:412664

約数の個数: 44

約数和(自身を含む): 5068044480

約数和(自身を除く): 2955332800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 412639, 825278, 1650556, 2063195, 3301112, 4126390, 6602224, 8252780, 13204448, 16505560, 26408896, 33011120, 52817792, 66022240, 105635584, 132044480, 211271168, 264088960, 422542336, 528177920, 1056355840, 2112711680]

約数ペア:

[(1, 2112711680), (2, 1056355840), (4, 528177920), (5, 422542336), (8, 264088960), (10, 211271168), (16, 132044480), (20, 105635584), (32, 66022240), (40, 52817792), (64, 33011120), (80, 26408896), (128, 16505560), (160, 13204448), (256, 8252780), (320, 6602224), (512, 4126390), (640, 3301112), (1024, 2063195), (1280, 1650556), (2560, 825278), (5120, 412639)]