25709320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 72538200

約数和(自身を除く): 46828880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1009, 1274, 1820, 1960, 2018, 2548, 3185, 3640, 4036, 5045, 5096, 6370, 7063, 8072, 10090, 12740, 13117, 14126, 20180, 25480, 26234, 28252, 35315, 40360, 49441, 52468, 56504, 65585, 70630, 91819, 98882, 104936, 131170, 141260, 183638, 197764, 247205, 262340, 282520, 367276, 395528, 459095, 494410, 524680, 642733, 734552, 918190, 988820, 1285466, 1836380, 1977640, 2570932, 3213665, 3672760, 5141864, 6427330, 12854660, 25709320]

約数ペア:

[(1, 25709320), (2, 12854660), (4, 6427330), (5, 5141864), (7, 3672760), (8, 3213665), (10, 2570932), (13, 1977640), (14, 1836380), (20, 1285466), (26, 988820), (28, 918190), (35, 734552), (40, 642733), (49, 524680), (52, 494410), (56, 459095), (65, 395528), (70, 367276), (91, 282520), (98, 262340), (104, 247205), (130, 197764), (140, 183638), (182, 141260), (196, 131170), (245, 104936), (260, 98882), (280, 91819), (364, 70630), (392, 65585), (455, 56504), (490, 52468), (520, 49441), (637, 40360), (728, 35315), (910, 28252), (980, 26234), (1009, 25480), (1274, 20180), (1820, 14126), (1960, 13117), (2018, 12740), (2548, 10090), (3185, 8072), (3640, 7063), (4036, 6370), (5045, 5096)]