90604540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18341}}^1$

素因数の和:18382

約数の個数: 48

約数和(自身を含む): 215701920

約数和(自身を除く): 125097380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 18341, 36682, 73364, 91705, 183410, 238433, 348479, 366820, 476866, 696958, 953732, 1192165, 1393916, 1742395, 2384330, 3484790, 4530227, 4768660, 6969580, 9060454, 18120908, 22651135, 45302270, 90604540]

約数ペア:

[(1, 90604540), (2, 45302270), (4, 22651135), (5, 18120908), (10, 9060454), (13, 6969580), (19, 4768660), (20, 4530227), (26, 3484790), (38, 2384330), (52, 1742395), (65, 1393916), (76, 1192165), (95, 953732), (130, 696958), (190, 476866), (247, 366820), (260, 348479), (380, 238433), (494, 183410), (988, 91705), (1235, 73364), (2470, 36682), (4940, 18341)]