81440470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1117}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 153586368

約数和(自身を除く): 72145898

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 317, 634, 1117, 1585, 2234, 3170, 5585, 7291, 11170, 14582, 25691, 36455, 51382, 72910, 128455, 256910, 354089, 708178, 1770445, 3540890, 8144047, 16288094, 40720235, 81440470]

約数ペア:

[(1, 81440470), (2, 40720235), (5, 16288094), (10, 8144047), (23, 3540890), (46, 1770445), (115, 708178), (230, 354089), (317, 256910), (634, 128455), (1117, 72910), (1585, 51382), (2234, 36455), (3170, 25691), (5585, 14582), (7291, 11170)]