70530980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271273}}^1$

素因数の和:271295

約数の個数: 24

約数和(自身を含む): 159509112

約数和(自身を除く): 88978132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271273, 542546, 1085092, 1356365, 2712730, 3526549, 5425460, 7053098, 14106196, 17632745, 35265490, 70530980]

約数ペア:

[(1, 70530980), (2, 35265490), (4, 17632745), (5, 14106196), (10, 7053098), (13, 5425460), (20, 3526549), (26, 2712730), (52, 1356365), (65, 1085092), (130, 542546), (260, 271273)]