21902561920

素因数分解:

$2^7\times 5^1\times {\mathrm{34222753}}^1$

素因数の和:34222772

約数の個数: 32

約数和(自身を含む): 52360813620

約数和(自身を除く): 30458251700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34222753, 68445506, 136891012, 171113765, 273782024, 342227530, 547564048, 684455060, 1095128096, 1368910120, 2190256192, 2737820240, 4380512384, 5475640480, 10951280960, 21902561920]

約数ペア:

[(1, 21902561920), (2, 10951280960), (4, 5475640480), (5, 4380512384), (8, 2737820240), (10, 2190256192), (16, 1368910120), (20, 1095128096), (32, 684455060), (40, 547564048), (64, 342227530), (80, 273782024), (128, 171113765), (160, 136891012), (320, 68445506), (640, 34222753)]