74806280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21013}}^1$

素因数の和:21113

約数の個数: 32

約数和(自身を含む): 170213400

約数和(自身を除く): 95407120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 21013, 42026, 84052, 105065, 168104, 210130, 420260, 840520, 1870157, 3740314, 7480628, 9350785, 14961256, 18701570, 37403140, 74806280]

約数ペア:

[(1, 74806280), (2, 37403140), (4, 18701570), (5, 14961256), (8, 9350785), (10, 7480628), (20, 3740314), (40, 1870157), (89, 840520), (178, 420260), (356, 210130), (445, 168104), (712, 105065), (890, 84052), (1780, 42026), (3560, 21013)]