1925565560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{2633}}^1$

素因数の和:3080

約数の個数: 64

約数和(自身を含む): 4437763200

約数和(自身を除く): 2512197640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 389, 470, 778, 940, 1556, 1880, 1945, 2633, 3112, 3890, 5266, 7780, 10532, 13165, 15560, 18283, 21064, 26330, 36566, 52660, 73132, 91415, 105320, 123751, 146264, 182830, 247502, 365660, 495004, 618755, 731320, 990008, 1024237, 1237510, 2048474, 2475020, 4096948, 4950040, 5121185, 8193896, 10242370, 20484740, 40969480, 48139139, 96278278, 192556556, 240695695, 385113112, 481391390, 962782780, 1925565560]

約数ペア:

[(1, 1925565560), (2, 962782780), (4, 481391390), (5, 385113112), (8, 240695695), (10, 192556556), (20, 96278278), (40, 48139139), (47, 40969480), (94, 20484740), (188, 10242370), (235, 8193896), (376, 5121185), (389, 4950040), (470, 4096948), (778, 2475020), (940, 2048474), (1556, 1237510), (1880, 1024237), (1945, 990008), (2633, 731320), (3112, 618755), (3890, 495004), (5266, 365660), (7780, 247502), (10532, 182830), (13165, 146264), (15560, 123751), (18283, 105320), (21064, 91415), (26330, 73132), (36566, 52660)]