18605440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4153}}^1$

素因数の和:4179

約数の個数: 64

約数和(自身を含む): 50844960

約数和(自身を除く): 32239520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4153, 4480, 8306, 16612, 20765, 29071, 33224, 41530, 58142, 66448, 83060, 116284, 132896, 145355, 166120, 232568, 265792, 290710, 332240, 465136, 531584, 581420, 664480, 930272, 1162840, 1328960, 1860544, 2325680, 2657920, 3721088, 4651360, 9302720, 18605440]

約数ペア:

[(1, 18605440), (2, 9302720), (4, 4651360), (5, 3721088), (7, 2657920), (8, 2325680), (10, 1860544), (14, 1328960), (16, 1162840), (20, 930272), (28, 664480), (32, 581420), (35, 531584), (40, 465136), (56, 332240), (64, 290710), (70, 265792), (80, 232568), (112, 166120), (128, 145355), (140, 132896), (160, 116284), (224, 83060), (280, 66448), (320, 58142), (448, 41530), (560, 33224), (640, 29071), (896, 20765), (1120, 16612), (2240, 8306), (4153, 4480)]