4251440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2797}}^1$

素因数の和:2829

約数の個数: 40

約数和(自身を含む): 10408560

約数和(自身を除く): 6157120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2797, 5594, 11188, 13985, 22376, 27970, 44752, 53143, 55940, 106286, 111880, 212572, 223760, 265715, 425144, 531430, 850288, 1062860, 2125720, 4251440]

約数ペア:

[(1, 4251440), (2, 2125720), (4, 1062860), (5, 850288), (8, 531430), (10, 425144), (16, 265715), (19, 223760), (20, 212572), (38, 111880), (40, 106286), (76, 55940), (80, 53143), (95, 44752), (152, 27970), (190, 22376), (304, 13985), (380, 11188), (760, 5594), (1520, 2797)]