2119291520

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19141}}^1$

素因数の和:19333

約数の個数: 64

約数和(自身を含む): 5095983240

約数和(自身を除く): 2976691720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1384, 1730, 2768, 3460, 5536, 6920, 11072, 13840, 19141, 22144, 27680, 38282, 55360, 76564, 95705, 110720, 153128, 191410, 306256, 382820, 612512, 765640, 1225024, 1531280, 2450048, 3062560, 3311393, 6125120, 6622786, 12250240, 13245572, 16556965, 26491144, 33113930, 52982288, 66227860, 105964576, 132455720, 211929152, 264911440, 423858304, 529822880, 1059645760, 2119291520]

約数ペア:

[(1, 2119291520), (2, 1059645760), (4, 529822880), (5, 423858304), (8, 264911440), (10, 211929152), (16, 132455720), (20, 105964576), (32, 66227860), (40, 52982288), (64, 33113930), (80, 26491144), (128, 16556965), (160, 13245572), (173, 12250240), (320, 6622786), (346, 6125120), (640, 3311393), (692, 3062560), (865, 2450048), (1384, 1531280), (1730, 1225024), (2768, 765640), (3460, 612512), (5536, 382820), (6920, 306256), (11072, 191410), (13840, 153128), (19141, 110720), (22144, 95705), (27680, 76564), (38282, 55360)]