20810361325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{3089}}^1$

素因数の和:4222

約数の個数: 48

約数和(自身を含む): 29288750400

約数和(自身を除く): 8478389075

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1091, 1235, 3089, 5455, 6175, 14183, 15445, 20729, 27275, 40157, 58691, 70915, 77225, 103645, 200785, 269477, 293455, 354575, 518225, 762983, 1003925, 1347385, 1467275, 3370099, 3814915, 6736925, 16850495, 19074575, 43811287, 64031881, 84252475, 219056435, 320159405, 832414453, 1095282175, 1600797025, 4162072265, 20810361325]

約数ペア:

[(1, 20810361325), (5, 4162072265), (13, 1600797025), (19, 1095282175), (25, 832414453), (65, 320159405), (95, 219056435), (247, 84252475), (325, 64031881), (475, 43811287), (1091, 19074575), (1235, 16850495), (3089, 6736925), (5455, 3814915), (6175, 3370099), (14183, 1467275), (15445, 1347385), (20729, 1003925), (27275, 762983), (40157, 518225), (58691, 354575), (70915, 293455), (77225, 269477), (103645, 200785)]