20063820800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{783743}}^1$

素因数の和:783773

約数の個数: 66

約数和(自身を含む): 49734043008

約数和(自身を除く): 29670222208

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, 1600, 2560, 3200, 5120, 6400, 12800, 25600, 783743, 1567486, 3134972, 3918715, 6269944, 7837430, 12539888, 15674860, 19593575, 25079776, 31349720, 39187150, 50159552, 62699440, 78374300, 100319104, 125398880, 156748600, 200638208, 250797760, 313497200, 401276416, 501595520, 626994400, 802552832, 1003191040, 1253988800, 2006382080, 2507977600, 4012764160, 5015955200, 10031910400, 20063820800]

約数ペア:

[(1, 20063820800), (2, 10031910400), (4, 5015955200), (5, 4012764160), (8, 2507977600), (10, 2006382080), (16, 1253988800), (20, 1003191040), (25, 802552832), (32, 626994400), (40, 501595520), (50, 401276416), (64, 313497200), (80, 250797760), (100, 200638208), (128, 156748600), (160, 125398880), (200, 100319104), (256, 78374300), (320, 62699440), (400, 50159552), (512, 39187150), (640, 31349720), (800, 25079776), (1024, 19593575), (1280, 15674860), (1600, 12539888), (2560, 7837430), (3200, 6269944), (5120, 3918715), (6400, 3134972), (12800, 1567486), (25600, 783743)]