65297920

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1155

約数の個数: 80

約数和(自身を含む): 163516320

約数和(自身を除く): 98218400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1109, 1280, 1472, 1840, 2218, 2560, 2944, 3680, 4436, 5545, 5888, 7360, 8872, 11090, 11776, 14720, 17744, 22180, 25507, 29440, 35488, 44360, 51014, 58880, 70976, 88720, 102028, 127535, 141952, 177440, 204056, 255070, 283904, 354880, 408112, 510140, 567808, 709760, 816224, 1020280, 1419520, 1632448, 2040560, 2839040, 3264896, 4081120, 6529792, 8162240, 13059584, 16324480, 32648960, 65297920]

約数ペア:

[(1, 65297920), (2, 32648960), (4, 16324480), (5, 13059584), (8, 8162240), (10, 6529792), (16, 4081120), (20, 3264896), (23, 2839040), (32, 2040560), (40, 1632448), (46, 1419520), (64, 1020280), (80, 816224), (92, 709760), (115, 567808), (128, 510140), (160, 408112), (184, 354880), (230, 283904), (256, 255070), (320, 204056), (368, 177440), (460, 141952), (512, 127535), (640, 102028), (736, 88720), (920, 70976), (1109, 58880), (1280, 51014), (1472, 44360), (1840, 35488), (2218, 29440), (2560, 25507), (2944, 22180), (3680, 17744), (4436, 14720), (5545, 11776), (5888, 11090), (7360, 8872)]