25913264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 32416336

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 79, 83, 104, 152, 158, 166, 208, 247, 304, 316, 332, 494, 632, 664, 988, 1027, 1079, 1264, 1328, 1501, 1577, 1976, 2054, 2158, 3002, 3154, 3952, 4108, 4316, 6004, 6308, 6557, 8216, 8632, 12008, 12616, 13114, 16432, 17264, 19513, 20501, 24016, 25232, 26228, 39026, 41002, 52456, 78052, 82004, 85241, 104912, 124583, 156104, 164008, 170482, 249166, 312208, 328016, 340964, 498332, 681928, 996664, 1363856, 1619579, 1993328, 3239158, 6478316, 12956632, 25913264]

約数ペア:

[(1, 25913264), (2, 12956632), (4, 6478316), (8, 3239158), (13, 1993328), (16, 1619579), (19, 1363856), (26, 996664), (38, 681928), (52, 498332), (76, 340964), (79, 328016), (83, 312208), (104, 249166), (152, 170482), (158, 164008), (166, 156104), (208, 124583), (247, 104912), (304, 85241), (316, 82004), (332, 78052), (494, 52456), (632, 41002), (664, 39026), (988, 26228), (1027, 25232), (1079, 24016), (1264, 20501), (1328, 19513), (1501, 17264), (1577, 16432), (1976, 13114), (2054, 12616), (2158, 12008), (3002, 8632), (3154, 8216), (3952, 6557), (4108, 6308), (4316, 6004)]