129503020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41243}}^1$

素因数の和:41409

約数の個数: 24

約数和(自身を含む): 273695184

約数和(自身を除く): 144192164

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 41243, 82486, 164972, 206215, 412430, 824860, 6475151, 12950302, 25900604, 32375755, 64751510, 129503020]

約数ペア:

[(1, 129503020), (2, 64751510), (4, 32375755), (5, 25900604), (10, 12950302), (20, 6475151), (157, 824860), (314, 412430), (628, 206215), (785, 164972), (1570, 82486), (3140, 41243)]