202920770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{25589}}^1$

素因数の和:25670

約数の個数: 32

約数和(自身を含む): 399818160

約数和(自身を除く): 196897390

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 25589, 51178, 127945, 255890, 332657, 665314, 1560929, 1663285, 3121858, 3326570, 7804645, 15609290, 20292077, 40584154, 101460385, 202920770]

約数ペア:

[(1, 202920770), (2, 101460385), (5, 40584154), (10, 20292077), (13, 15609290), (26, 7804645), (61, 3326570), (65, 3121858), (122, 1663285), (130, 1560929), (305, 665314), (610, 332657), (793, 255890), (1586, 127945), (3965, 51178), (7930, 25589)]