56295980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216523}}^1$

素因数の和:216545

約数の個数: 24

約数和(自身を含む): 127316112

約数和(自身を除く): 71020132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216523, 433046, 866092, 1082615, 2165230, 2814799, 4330460, 5629598, 11259196, 14073995, 28147990, 56295980]

約数ペア:

[(1, 56295980), (2, 28147990), (4, 14073995), (5, 11259196), (10, 5629598), (13, 4330460), (20, 2814799), (26, 2165230), (52, 1082615), (65, 866092), (130, 433046), (260, 216523)]