40455680

素因数分解:

$2^9\times 5^1\times {\mathrm{15803}}^1$

素因数の和:15826

約数の個数: 40

約数和(自身を含む): 97004952

約数和(自身を除く): 56549272

約数列:

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

約数ペア:

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