15639850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 31114080

約数和(自身を除く): 15474230

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 101, 163, 190, 202, 326, 475, 505, 815, 950, 1010, 1630, 1919, 2525, 3097, 3838, 4075, 5050, 6194, 8150, 9595, 15485, 16463, 19190, 30970, 32926, 47975, 77425, 82315, 95950, 154850, 164630, 312797, 411575, 625594, 823150, 1563985, 3127970, 7819925, 15639850]

約数ペア:

[(1, 15639850), (2, 7819925), (5, 3127970), (10, 1563985), (19, 823150), (25, 625594), (38, 411575), (50, 312797), (95, 164630), (101, 154850), (163, 95950), (190, 82315), (202, 77425), (326, 47975), (475, 32926), (505, 30970), (815, 19190), (950, 16463), (1010, 15485), (1630, 9595), (1919, 8150), (2525, 6194), (3097, 5050), (3838, 4075)]