23901880

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1217}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 53933040

約数和(自身を除く): 30031160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1217, 1964, 2434, 2455, 3928, 4868, 4910, 6085, 9736, 9820, 12170, 19640, 24340, 48680, 597547, 1195094, 2390188, 2987735, 4780376, 5975470, 11950940, 23901880]

約数ペア:

[(1, 23901880), (2, 11950940), (4, 5975470), (5, 4780376), (8, 2987735), (10, 2390188), (20, 1195094), (40, 597547), (491, 48680), (982, 24340), (1217, 19640), (1964, 12170), (2434, 9820), (2455, 9736), (3928, 6085), (4868, 4910)]