160870400

素因数分解:

$2^{12}\times 5^2\times {\mathrm{1571}}^1$

素因数の和:1605

約数の個数: 78

約数和(自身を含む): 399163812

約数和(自身を除く): 238293412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1571, 1600, 2048, 2560, 3142, 3200, 4096, 5120, 6284, 6400, 7855, 10240, 12568, 12800, 15710, 20480, 25136, 25600, 31420, 39275, 50272, 51200, 62840, 78550, 100544, 102400, 125680, 157100, 201088, 251360, 314200, 402176, 502720, 628400, 804352, 1005440, 1256800, 1608704, 2010880, 2513600, 3217408, 4021760, 5027200, 6434816, 8043520, 10054400, 16087040, 20108800, 32174080, 40217600, 80435200, 160870400]

約数ペア:

[(1, 160870400), (2, 80435200), (4, 40217600), (5, 32174080), (8, 20108800), (10, 16087040), (16, 10054400), (20, 8043520), (25, 6434816), (32, 5027200), (40, 4021760), (50, 3217408), (64, 2513600), (80, 2010880), (100, 1608704), (128, 1256800), (160, 1005440), (200, 804352), (256, 628400), (320, 502720), (400, 402176), (512, 314200), (640, 251360), (800, 201088), (1024, 157100), (1280, 125680), (1571, 102400), (1600, 100544), (2048, 78550), (2560, 62840), (3142, 51200), (3200, 50272), (4096, 39275), (5120, 31420), (6284, 25600), (6400, 25136), (7855, 20480), (10240, 15710), (12568, 12800)]