80710072

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 153644400

約数和(自身を除く): 72934328

約数列:

[1, 2, 4, 8, 139, 181, 278, 362, 401, 556, 724, 802, 1112, 1448, 1604, 3208, 25159, 50318, 55739, 72581, 100636, 111478, 145162, 201272, 222956, 290324, 445912, 580648, 10088759, 20177518, 40355036, 80710072]

約数ペア:

[(1, 80710072), (2, 40355036), (4, 20177518), (8, 10088759), (139, 580648), (181, 445912), (278, 290324), (362, 222956), (401, 201272), (556, 145162), (724, 111478), (802, 100636), (1112, 72581), (1448, 55739), (1604, 50318), (3208, 25159)]