57680065

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 74269440

約数和(自身を除く): 16589375

約数列:

[1, 5, 17, 85, 179, 223, 289, 895, 1115, 1445, 3043, 3791, 15215, 18955, 39917, 51731, 64447, 199585, 258655, 322235, 678589, 3392945, 11536013, 57680065]

約数ペア:

[(1, 57680065), (5, 11536013), (17, 3392945), (85, 678589), (179, 322235), (223, 258655), (289, 199585), (895, 64447), (1115, 51731), (1445, 39917), (3043, 18955), (3791, 15215)]