72465920

素因数分解:

$2^9\times 5^1\times {\mathrm{28307}}^1$

素因数の和:28330

約数の個数: 40

約数和(自身を含む): 173754504

約数和(自身を除く): 101288584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28307, 56614, 113228, 141535, 226456, 283070, 452912, 566140, 905824, 1132280, 1811648, 2264560, 3623296, 4529120, 7246592, 9058240, 14493184, 18116480, 36232960, 72465920]

約数ペア:

[(1, 72465920), (2, 36232960), (4, 18116480), (5, 14493184), (8, 9058240), (10, 7246592), (16, 4529120), (20, 3623296), (32, 2264560), (40, 1811648), (64, 1132280), (80, 905824), (128, 566140), (160, 452912), (256, 283070), (320, 226456), (512, 141535), (640, 113228), (1280, 56614), (2560, 28307)]