21779200

素因数分解:

$2^8\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 108

約数和(自身を含む): 55887048

約数和(自身を除く): 34107848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 83, 100, 128, 160, 164, 166, 200, 205, 256, 320, 328, 332, 400, 410, 415, 640, 656, 664, 800, 820, 830, 1025, 1280, 1312, 1328, 1600, 1640, 1660, 2050, 2075, 2624, 2656, 3200, 3280, 3320, 3403, 4100, 4150, 5248, 5312, 6400, 6560, 6640, 6806, 8200, 8300, 10496, 10624, 13120, 13280, 13612, 16400, 16600, 17015, 21248, 26240, 26560, 27224, 32800, 33200, 34030, 52480, 53120, 54448, 65600, 66400, 68060, 85075, 106240, 108896, 131200, 132800, 136120, 170150, 217792, 262400, 265600, 272240, 340300, 435584, 531200, 544480, 680600, 871168, 1088960, 1361200, 2177920, 2722400, 4355840, 5444800, 10889600, 21779200]

約数ペア:

[(1, 21779200), (2, 10889600), (4, 5444800), (5, 4355840), (8, 2722400), (10, 2177920), (16, 1361200), (20, 1088960), (25, 871168), (32, 680600), (40, 544480), (41, 531200), (50, 435584), (64, 340300), (80, 272240), (82, 265600), (83, 262400), (100, 217792), (128, 170150), (160, 136120), (164, 132800), (166, 131200), (200, 108896), (205, 106240), (256, 85075), (320, 68060), (328, 66400), (332, 65600), (400, 54448), (410, 53120), (415, 52480), (640, 34030), (656, 33200), (664, 32800), (800, 27224), (820, 26560), (830, 26240), (1025, 21248), (1280, 17015), (1312, 16600), (1328, 16400), (1600, 13612), (1640, 13280), (1660, 13120), (2050, 10624), (2075, 10496), (2624, 8300), (2656, 8200), (3200, 6806), (3280, 6640), (3320, 6560), (3403, 6400), (4100, 5312), (4150, 5248)]