25406360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 67461120

約数和(自身を除く): 42054760

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, 2927, 4340, 5854, 8680, 11708, 14635, 20489, 23416, 29270, 40978, 58540, 81956, 90737, 102445, 117080, 163912, 181474, 204890, 362948, 409780, 453685, 635159, 725896, 819560, 907370, 1270318, 1814740, 2540636, 3175795, 3629480, 5081272, 6351590, 12703180, 25406360]

約数ペア:

[(1, 25406360), (2, 12703180), (4, 6351590), (5, 5081272), (7, 3629480), (8, 3175795), (10, 2540636), (14, 1814740), (20, 1270318), (28, 907370), (31, 819560), (35, 725896), (40, 635159), (56, 453685), (62, 409780), (70, 362948), (124, 204890), (140, 181474), (155, 163912), (217, 117080), (248, 102445), (280, 90737), (310, 81956), (434, 58540), (620, 40978), (868, 29270), (1085, 23416), (1240, 20489), (1736, 14635), (2170, 11708), (2927, 8680), (4340, 5854)]