64985600

素因数分解:

$2^9\times 5^2\times {\mathrm{5077}}^1$

素因数の和:5105

約数の個数: 60

約数和(自身を含む): 161038614

約数和(自身を除く): 96053014

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, 1280, 1600, 2560, 3200, 5077, 6400, 10154, 12800, 20308, 25385, 40616, 50770, 81232, 101540, 126925, 162464, 203080, 253850, 324928, 406160, 507700, 649856, 812320, 1015400, 1299712, 1624640, 2030800, 2599424, 3249280, 4061600, 6498560, 8123200, 12997120, 16246400, 32492800, 64985600]

約数ペア:

[(1, 64985600), (2, 32492800), (4, 16246400), (5, 12997120), (8, 8123200), (10, 6498560), (16, 4061600), (20, 3249280), (25, 2599424), (32, 2030800), (40, 1624640), (50, 1299712), (64, 1015400), (80, 812320), (100, 649856), (128, 507700), (160, 406160), (200, 324928), (256, 253850), (320, 203080), (400, 162464), (512, 126925), (640, 101540), (800, 81232), (1280, 50770), (1600, 40616), (2560, 25385), (3200, 20308), (5077, 12800), (6400, 10154)]