19944800

素因数分解:

$2^5\times 5^2\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:360

約数の個数: 72

約数和(自身を含む): 49356216

約数和(自身を除く): 29411416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 107, 160, 200, 214, 233, 400, 428, 466, 535, 800, 856, 932, 1070, 1165, 1712, 1864, 2140, 2330, 2675, 3424, 3728, 4280, 4660, 5350, 5825, 7456, 8560, 9320, 10700, 11650, 17120, 18640, 21400, 23300, 24931, 37280, 42800, 46600, 49862, 85600, 93200, 99724, 124655, 186400, 199448, 249310, 398896, 498620, 623275, 797792, 997240, 1246550, 1994480, 2493100, 3988960, 4986200, 9972400, 19944800]

約数ペア:

[(1, 19944800), (2, 9972400), (4, 4986200), (5, 3988960), (8, 2493100), (10, 1994480), (16, 1246550), (20, 997240), (25, 797792), (32, 623275), (40, 498620), (50, 398896), (80, 249310), (100, 199448), (107, 186400), (160, 124655), (200, 99724), (214, 93200), (233, 85600), (400, 49862), (428, 46600), (466, 42800), (535, 37280), (800, 24931), (856, 23300), (932, 21400), (1070, 18640), (1165, 17120), (1712, 11650), (1864, 10700), (2140, 9320), (2330, 8560), (2675, 7456), (3424, 5825), (3728, 5350), (4280, 4660)]