7125296980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{12889}}^1$

素因数の和:13240

約数の個数: 48

約数和(自身を含む): 15149977920

約数和(自身を除く): 8024680940

約数列:

[1, 2, 4, 5, 10, 20, 131, 211, 262, 422, 524, 655, 844, 1055, 1310, 2110, 2620, 4220, 12889, 25778, 27641, 51556, 55282, 64445, 110564, 128890, 138205, 257780, 276410, 552820, 1688459, 2719579, 3376918, 5439158, 6753836, 8442295, 10878316, 13597895, 16884590, 27195790, 33769180, 54391580, 356264849, 712529698, 1425059396, 1781324245, 3562648490, 7125296980]

約数ペア:

[(1, 7125296980), (2, 3562648490), (4, 1781324245), (5, 1425059396), (10, 712529698), (20, 356264849), (131, 54391580), (211, 33769180), (262, 27195790), (422, 16884590), (524, 13597895), (655, 10878316), (844, 8442295), (1055, 6753836), (1310, 5439158), (2110, 3376918), (2620, 2719579), (4220, 1688459), (12889, 552820), (25778, 276410), (27641, 257780), (51556, 138205), (55282, 128890), (64445, 110564)]