40647145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 61710336

約数和(自身を除く): 21063191

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 1487, 2485, 3905, 5467, 7435, 10409, 16357, 27335, 52045, 81785, 105577, 114499, 527885, 572495, 739039, 1161347, 3695195, 5806735, 8129429, 40647145]

約数ペア:

[(1, 40647145), (5, 8129429), (7, 5806735), (11, 3695195), (35, 1161347), (55, 739039), (71, 572495), (77, 527885), (355, 114499), (385, 105577), (497, 81785), (781, 52045), (1487, 27335), (2485, 16357), (3905, 10409), (5467, 7435)]