51343880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{787}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 132762240

約数和(自身を除く): 81418360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 787, 932, 1165, 1574, 1631, 1864, 2330, 3148, 3262, 3935, 4660, 5509, 6296, 6524, 7870, 8155, 9320, 11018, 13048, 15740, 16310, 22036, 27545, 31480, 32620, 44072, 55090, 65240, 110180, 183371, 220360, 366742, 733484, 916855, 1283597, 1466968, 1833710, 2567194, 3667420, 5134388, 6417985, 7334840, 10268776, 12835970, 25671940, 51343880]

約数ペア:

[(1, 51343880), (2, 25671940), (4, 12835970), (5, 10268776), (7, 7334840), (8, 6417985), (10, 5134388), (14, 3667420), (20, 2567194), (28, 1833710), (35, 1466968), (40, 1283597), (56, 916855), (70, 733484), (140, 366742), (233, 220360), (280, 183371), (466, 110180), (787, 65240), (932, 55090), (1165, 44072), (1574, 32620), (1631, 31480), (1864, 27545), (2330, 22036), (3148, 16310), (3262, 15740), (3935, 13048), (4660, 11018), (5509, 9320), (6296, 8155), (6524, 7870)]