2016573725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 2671704000

約数和(自身を除く): 655130275

約数列:

[1, 5, 25, 29, 41, 145, 179, 205, 379, 725, 895, 1025, 1189, 1895, 4475, 5191, 5945, 7339, 9475, 10991, 15539, 25955, 29725, 36695, 54955, 67841, 77695, 129775, 183475, 212831, 274775, 339205, 388475, 450631, 1064155, 1696025, 1967389, 2253155, 2781481, 5320775, 9836945, 11265775, 13907405, 49184725, 69537025, 80662949, 403314745, 2016573725]

約数ペア:

[(1, 2016573725), (5, 403314745), (25, 80662949), (29, 69537025), (41, 49184725), (145, 13907405), (179, 11265775), (205, 9836945), (379, 5320775), (725, 2781481), (895, 2253155), (1025, 1967389), (1189, 1696025), (1895, 1064155), (4475, 450631), (5191, 388475), (5945, 339205), (7339, 274775), (9475, 212831), (10991, 183475), (15539, 129775), (25955, 77695), (29725, 67841), (36695, 54955)]