25250120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2958

約数の個数: 64

約数和(自身を含む): 67046400

約数和(自身を除く): 41796280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2909, 4340, 5818, 8680, 11636, 14545, 20363, 23272, 29090, 40726, 58180, 81452, 90179, 101815, 116360, 162904, 180358, 203630, 360716, 407260, 450895, 631253, 721432, 814520, 901790, 1262506, 1803580, 2525012, 3156265, 3607160, 5050024, 6312530, 12625060, 25250120]

約数ペア:

[(1, 25250120), (2, 12625060), (4, 6312530), (5, 5050024), (7, 3607160), (8, 3156265), (10, 2525012), (14, 1803580), (20, 1262506), (28, 901790), (31, 814520), (35, 721432), (40, 631253), (56, 450895), (62, 407260), (70, 360716), (124, 203630), (140, 180358), (155, 162904), (217, 116360), (248, 101815), (280, 90179), (310, 81452), (434, 58180), (620, 40726), (868, 29090), (1085, 23272), (1240, 20363), (1736, 14545), (2170, 11636), (2909, 8680), (4340, 5818)]