81084800

素因数分解:

$2^7\times 5^2\times {\mathrm{25339}}^1$

素因数の和:25363

約数の個数: 48

約数和(自身を含む): 200312700

約数和(自身を除く): 119227900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 25339, 50678, 101356, 126695, 202712, 253390, 405424, 506780, 633475, 810848, 1013560, 1266950, 1621696, 2027120, 2533900, 3243392, 4054240, 5067800, 8108480, 10135600, 16216960, 20271200, 40542400, 81084800]

約数ペア:

[(1, 81084800), (2, 40542400), (4, 20271200), (5, 16216960), (8, 10135600), (10, 8108480), (16, 5067800), (20, 4054240), (25, 3243392), (32, 2533900), (40, 2027120), (50, 1621696), (64, 1266950), (80, 1013560), (100, 810848), (128, 633475), (160, 506780), (200, 405424), (320, 253390), (400, 202712), (640, 126695), (800, 101356), (1600, 50678), (3200, 25339)]