80911360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15803}}^1$

素因数の和:15828

約数の個数: 44

約数和(自身を含む): 194104728

約数和(自身を除く): 113193368

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, 15803, 31606, 63212, 79015, 126424, 158030, 252848, 316060, 505696, 632120, 1011392, 1264240, 2022784, 2528480, 4045568, 5056960, 8091136, 10113920, 16182272, 20227840, 40455680, 80911360]

約数ペア:

[(1, 80911360), (2, 40455680), (4, 20227840), (5, 16182272), (8, 10113920), (10, 8091136), (16, 5056960), (20, 4045568), (32, 2528480), (40, 2022784), (64, 1264240), (80, 1011392), (128, 632120), (160, 505696), (256, 316060), (320, 252848), (512, 158030), (640, 126424), (1024, 79015), (1280, 63212), (2560, 31606), (5120, 15803)]