80745155

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 108993600

約数和(自身を除く): 28248445

約数列:

[1, 5, 17, 19, 85, 95, 173, 289, 323, 865, 1445, 1615, 2941, 3287, 4913, 5491, 14705, 16435, 24565, 27455, 49997, 55879, 93347, 249985, 279395, 466735, 849949, 949943, 4249745, 4749715, 16149031, 80745155]

約数ペア:

[(1, 80745155), (5, 16149031), (17, 4749715), (19, 4249745), (85, 949943), (95, 849949), (173, 466735), (289, 279395), (323, 249985), (865, 93347), (1445, 55879), (1615, 49997), (2941, 27455), (3287, 24565), (4913, 16435), (5491, 14705)]