19779976000

素因数分解:

$2^6\times 5^3\times {\mathrm{17}}^1\times {\mathrm{145441}}^1$

素因数の和:145485

約数の個数: 112

約数和(自身を含む): 51866944272

約数和(自身を除く): 32086968272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 320, 340, 400, 425, 500, 544, 680, 800, 850, 1000, 1088, 1360, 1600, 1700, 2000, 2125, 2720, 3400, 4000, 4250, 5440, 6800, 8000, 8500, 13600, 17000, 27200, 34000, 68000, 136000, 145441, 290882, 581764, 727205, 1163528, 1454410, 2327056, 2472497, 2908820, 3636025, 4654112, 4944994, 5817640, 7272050, 9308224, 9889988, 11635280, 12362485, 14544100, 18180125, 19779976, 23270560, 24724970, 29088200, 36360250, 39559952, 46541120, 49449940, 58176400, 61812425, 72720500, 79119904, 98899880, 116352800, 123624850, 145441000, 158239808, 197799760, 232705600, 247249700, 290882000, 309062125, 395599520, 494499400, 581764000, 618124250, 791199040, 988998800, 1163528000, 1236248500, 1977997600, 2472497000, 3955995200, 4944994000, 9889988000, 19779976000]

約数ペア:

[(1, 19779976000), (2, 9889988000), (4, 4944994000), (5, 3955995200), (8, 2472497000), (10, 1977997600), (16, 1236248500), (17, 1163528000), (20, 988998800), (25, 791199040), (32, 618124250), (34, 581764000), (40, 494499400), (50, 395599520), (64, 309062125), (68, 290882000), (80, 247249700), (85, 232705600), (100, 197799760), (125, 158239808), (136, 145441000), (160, 123624850), (170, 116352800), (200, 98899880), (250, 79119904), (272, 72720500), (320, 61812425), (340, 58176400), (400, 49449940), (425, 46541120), (500, 39559952), (544, 36360250), (680, 29088200), (800, 24724970), (850, 23270560), (1000, 19779976), (1088, 18180125), (1360, 14544100), (1600, 12362485), (1700, 11635280), (2000, 9889988), (2125, 9308224), (2720, 7272050), (3400, 5817640), (4000, 4944994), (4250, 4654112), (5440, 3636025), (6800, 2908820), (8000, 2472497), (8500, 2327056), (13600, 1454410), (17000, 1163528), (27200, 727205), (34000, 581764), (68000, 290882), (136000, 145441)]