19806742475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{8101}}^1\times {\mathrm{7523}}^1$

素因数の和:15647

約数の個数: 24

約数和(自身を含む): 26456400432

約数和(自身を除く): 6649657957

約数列:

[1, 5, 13, 25, 65, 325, 7523, 8101, 37615, 40505, 97799, 105313, 188075, 202525, 488995, 526565, 2444975, 2632825, 60943823, 304719115, 792269699, 1523595575, 3961348495, 19806742475]

約数ペア:

[(1, 19806742475), (5, 3961348495), (13, 1523595575), (25, 792269699), (65, 304719115), (325, 60943823), (7523, 2632825), (8101, 2444975), (37615, 526565), (40505, 488995), (97799, 202525), (105313, 188075)]