25879420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 39922820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 67, 70, 89, 124, 134, 140, 155, 178, 217, 268, 310, 335, 356, 434, 445, 469, 620, 623, 670, 868, 890, 938, 1085, 1246, 1340, 1780, 1876, 2077, 2170, 2345, 2492, 2759, 3115, 4154, 4340, 4690, 5518, 5963, 6230, 8308, 9380, 10385, 11036, 11926, 12460, 13795, 14539, 19313, 20770, 23852, 27590, 29078, 29815, 38626, 41540, 41741, 55180, 58156, 59630, 72695, 77252, 83482, 96565, 119260, 145390, 166964, 184853, 193130, 208705, 290780, 369706, 386260, 417410, 739412, 834820, 924265, 1293971, 1848530, 2587942, 3697060, 5175884, 6469855, 12939710, 25879420]

約数ペア:

[(1, 25879420), (2, 12939710), (4, 6469855), (5, 5175884), (7, 3697060), (10, 2587942), (14, 1848530), (20, 1293971), (28, 924265), (31, 834820), (35, 739412), (62, 417410), (67, 386260), (70, 369706), (89, 290780), (124, 208705), (134, 193130), (140, 184853), (155, 166964), (178, 145390), (217, 119260), (268, 96565), (310, 83482), (335, 77252), (356, 72695), (434, 59630), (445, 58156), (469, 55180), (620, 41741), (623, 41540), (670, 38626), (868, 29815), (890, 29078), (938, 27590), (1085, 23852), (1246, 20770), (1340, 19313), (1780, 14539), (1876, 13795), (2077, 12460), (2170, 11926), (2345, 11036), (2492, 10385), (2759, 9380), (3115, 8308), (4154, 6230), (4340, 5963), (4690, 5518)]