25418960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2428

約数の個数: 80

約数和(自身を含む): 71126400

約数和(自身を除く): 45707440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2389, 2660, 4778, 5320, 9556, 10640, 11945, 16723, 19112, 23890, 33446, 38224, 45391, 47780, 66892, 83615, 90782, 95560, 133784, 167230, 181564, 191120, 226955, 267568, 317737, 334460, 363128, 453910, 635474, 668920, 726256, 907820, 1270948, 1337840, 1588685, 1815640, 2541896, 3177370, 3631280, 5083792, 6354740, 12709480, 25418960]

約数ペア:

[(1, 25418960), (2, 12709480), (4, 6354740), (5, 5083792), (7, 3631280), (8, 3177370), (10, 2541896), (14, 1815640), (16, 1588685), (19, 1337840), (20, 1270948), (28, 907820), (35, 726256), (38, 668920), (40, 635474), (56, 453910), (70, 363128), (76, 334460), (80, 317737), (95, 267568), (112, 226955), (133, 191120), (140, 181564), (152, 167230), (190, 133784), (266, 95560), (280, 90782), (304, 83615), (380, 66892), (532, 47780), (560, 45391), (665, 38224), (760, 33446), (1064, 23890), (1330, 19112), (1520, 16723), (2128, 11945), (2389, 10640), (2660, 9556), (4778, 5320)]