81929600

素因数分解:

$2^7\times 5^2\times {\mathrm{25603}}^1$

素因数の和:25627

約数の個数: 48

約数和(自身を含む): 202399620

約数和(自身を除く): 120470020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 25603, 51206, 102412, 128015, 204824, 256030, 409648, 512060, 640075, 819296, 1024120, 1280150, 1638592, 2048240, 2560300, 3277184, 4096480, 5120600, 8192960, 10241200, 16385920, 20482400, 40964800, 81929600]

約数ペア:

[(1, 81929600), (2, 40964800), (4, 20482400), (5, 16385920), (8, 10241200), (10, 8192960), (16, 5120600), (20, 4096480), (25, 3277184), (32, 2560300), (40, 2048240), (50, 1638592), (64, 1280150), (80, 1024120), (100, 819296), (128, 640075), (160, 512060), (200, 409648), (320, 256030), (400, 204824), (640, 128015), (800, 102412), (1600, 51206), (3200, 25603)]