25145960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 66769920

約数和(自身を除く): 41623960

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, 2897, 4340, 5794, 8680, 11588, 14485, 20279, 23176, 28970, 40558, 57940, 81116, 89807, 101395, 115880, 162232, 179614, 202790, 359228, 405580, 449035, 628649, 718456, 811160, 898070, 1257298, 1796140, 2514596, 3143245, 3592280, 5029192, 6286490, 12572980, 25145960]

約数ペア:

[(1, 25145960), (2, 12572980), (4, 6286490), (5, 5029192), (7, 3592280), (8, 3143245), (10, 2514596), (14, 1796140), (20, 1257298), (28, 898070), (31, 811160), (35, 718456), (40, 628649), (56, 449035), (62, 405580), (70, 359228), (124, 202790), (140, 179614), (155, 162232), (217, 115880), (248, 101395), (280, 89807), (310, 81116), (434, 57940), (620, 40558), (868, 28970), (1085, 23176), (1240, 20279), (1736, 14485), (2170, 11588), (2897, 8680), (4340, 5794)]