12871550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 26717040

約数和(自身を除く): 13845490

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 797, 850, 950, 1594, 1615, 3230, 3985, 7970, 8075, 13549, 15143, 16150, 19925, 27098, 30286, 39850, 67745, 75715, 135490, 151430, 257431, 338725, 378575, 514862, 677450, 757150, 1287155, 2574310, 6435775, 12871550]

約数ペア:

[(1, 12871550), (2, 6435775), (5, 2574310), (10, 1287155), (17, 757150), (19, 677450), (25, 514862), (34, 378575), (38, 338725), (50, 257431), (85, 151430), (95, 135490), (170, 75715), (190, 67745), (323, 39850), (425, 30286), (475, 27098), (646, 19925), (797, 16150), (850, 15143), (950, 13549), (1594, 8075), (1615, 7970), (3230, 3985)]