202047950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23911}}^1$

素因数の和:23949

約数の個数: 36

約数和(自身を含む): 406958328

約数和(自身を除く): 204910378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 23911, 47822, 119555, 239110, 310843, 597775, 621686, 1195550, 1554215, 3108430, 4040959, 7771075, 8081918, 15542150, 20204795, 40409590, 101023975, 202047950]

約数ペア:

[(1, 202047950), (2, 101023975), (5, 40409590), (10, 20204795), (13, 15542150), (25, 8081918), (26, 7771075), (50, 4040959), (65, 3108430), (130, 1554215), (169, 1195550), (325, 621686), (338, 597775), (650, 310843), (845, 239110), (1690, 119555), (4225, 47822), (8450, 23911)]