129566720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{12653}}^1$

素因数の和:12680

約数の個数: 48

約数和(自身を含む): 310908780

約数和(自身を除く): 181342060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 12653, 25306, 50612, 63265, 101224, 126530, 202448, 253060, 404896, 506120, 809792, 1012240, 1619584, 2024480, 3239168, 4048960, 6478336, 8097920, 12956672, 16195840, 25913344, 32391680, 64783360, 129566720]

約数ペア:

[(1, 129566720), (2, 64783360), (4, 32391680), (5, 25913344), (8, 16195840), (10, 12956672), (16, 8097920), (20, 6478336), (32, 4048960), (40, 3239168), (64, 2024480), (80, 1619584), (128, 1012240), (160, 809792), (256, 506120), (320, 404896), (512, 253060), (640, 202448), (1024, 126530), (1280, 101224), (2048, 63265), (2560, 50612), (5120, 25306), (10240, 12653)]