1900896560

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{23977}}^1$

素因数の和:24981

約数の個数: 40

約数和(自身を含む): 4424228736

約数和(自身を除く): 2523332176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 3964, 4955, 7928, 9910, 15856, 19820, 23977, 39640, 47954, 79280, 95908, 119885, 191816, 239770, 383632, 479540, 959080, 1918160, 23761207, 47522414, 95044828, 118806035, 190089656, 237612070, 380179312, 475224140, 950448280, 1900896560]

約数ペア:

[(1, 1900896560), (2, 950448280), (4, 475224140), (5, 380179312), (8, 237612070), (10, 190089656), (16, 118806035), (20, 95044828), (40, 47522414), (80, 23761207), (991, 1918160), (1982, 959080), (3964, 479540), (4955, 383632), (7928, 239770), (9910, 191816), (15856, 119885), (19820, 95908), (23977, 79280), (39640, 47954)]