81180448

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{18251}}^1$

素因数の和:18400

約数の個数: 24

約数和(自身を含む): 160982640

約数和(自身を除く): 79802192

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 18251, 36502, 73004, 146008, 292016, 584032, 2536889, 5073778, 10147556, 20295112, 40590224, 81180448]

約数ペア:

[(1, 81180448), (2, 40590224), (4, 20295112), (8, 10147556), (16, 5073778), (32, 2536889), (139, 584032), (278, 292016), (556, 146008), (1112, 73004), (2224, 36502), (4448, 18251)]