2080857580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{56453}}^1$

素因数の和:56578

約数の個数: 48

約数和(自身を含む): 4647293280

約数和(自身を除く): 2566435700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 7372, 9215, 18430, 36860, 56453, 112906, 225812, 282265, 564530, 1072607, 1129060, 2145214, 4290428, 5363035, 5475941, 10726070, 10951882, 21452140, 21903764, 27379705, 54759410, 104042879, 109518820, 208085758, 416171516, 520214395, 1040428790, 2080857580]

約数ペア:

[(1, 2080857580), (2, 1040428790), (4, 520214395), (5, 416171516), (10, 208085758), (19, 109518820), (20, 104042879), (38, 54759410), (76, 27379705), (95, 21903764), (97, 21452140), (190, 10951882), (194, 10726070), (380, 5475941), (388, 5363035), (485, 4290428), (970, 2145214), (1843, 1129060), (1940, 1072607), (3686, 564530), (7372, 282265), (9215, 225812), (18430, 112906), (36860, 56453)]