20876660050

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{10709}}^1$

素因数の和:11155

約数の個数: 48

約数和(自身を含む): 39267486720

約数和(自身を除く): 18390826670

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 307, 614, 635, 1270, 1535, 3070, 3175, 6350, 7675, 10709, 15350, 21418, 38989, 53545, 77978, 107090, 194945, 267725, 389890, 535450, 974725, 1360043, 1949450, 2720086, 3287663, 6575326, 6800215, 13600430, 16438315, 32876630, 34001075, 68002150, 82191575, 164383150, 417533201, 835066402, 2087666005, 4175332010, 10438330025, 20876660050]

約数ペア:

[(1, 20876660050), (2, 10438330025), (5, 4175332010), (10, 2087666005), (25, 835066402), (50, 417533201), (127, 164383150), (254, 82191575), (307, 68002150), (614, 34001075), (635, 32876630), (1270, 16438315), (1535, 13600430), (3070, 6800215), (3175, 6575326), (6350, 3287663), (7675, 2720086), (10709, 1949450), (15350, 1360043), (21418, 974725), (38989, 535450), (53545, 389890), (77978, 267725), (107090, 194945)]