201949540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776729}}^1$

素因数の和:776751

約数の個数: 24

約数和(自身を含む): 456717240

約数和(自身を除く): 254767700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776729, 1553458, 3106916, 3883645, 7767290, 10097477, 15534580, 20194954, 40389908, 50487385, 100974770, 201949540]

約数ペア:

[(1, 201949540), (2, 100974770), (4, 50487385), (5, 40389908), (10, 20194954), (13, 15534580), (20, 10097477), (26, 7767290), (52, 3883645), (65, 3106916), (130, 1553458), (260, 776729)]