2015864320

素因数分解:

$2^9\times 5^1\times {\mathrm{787447}}^1$

素因数の和:787470

約数の個数: 40

約数和(自身を含む): 4833355824

約数和(自身を除く): 2817491504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 787447, 1574894, 3149788, 3937235, 6299576, 7874470, 12599152, 15748940, 25198304, 31497880, 50396608, 62995760, 100793216, 125991520, 201586432, 251983040, 403172864, 503966080, 1007932160, 2015864320]

約数ペア:

[(1, 2015864320), (2, 1007932160), (4, 503966080), (5, 403172864), (8, 251983040), (10, 201586432), (16, 125991520), (20, 100793216), (32, 62995760), (40, 50396608), (64, 31497880), (80, 25198304), (128, 15748940), (160, 12599152), (256, 7874470), (320, 6299576), (512, 3937235), (640, 3149788), (1280, 1574894), (2560, 787447)]