28505087200

素因数分解:

$2^5\times 5^2\times {\mathrm{211}}^1\times {\mathrm{168869}}^1$

素因数の和:169100

約数の個数: 72

約数和(自身を含む): 69918259320

約数和(自身を除く): 41413172120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 211, 400, 422, 800, 844, 1055, 1688, 2110, 3376, 4220, 5275, 6752, 8440, 10550, 16880, 21100, 33760, 42200, 84400, 168800, 168869, 337738, 675476, 844345, 1350952, 1688690, 2701904, 3377380, 4221725, 5403808, 6754760, 8443450, 13509520, 16886900, 27019040, 33773800, 35631359, 67547600, 71262718, 135095200, 142525436, 178156795, 285050872, 356313590, 570101744, 712627180, 890783975, 1140203488, 1425254360, 1781567950, 2850508720, 3563135900, 5701017440, 7126271800, 14252543600, 28505087200]

約数ペア:

[(1, 28505087200), (2, 14252543600), (4, 7126271800), (5, 5701017440), (8, 3563135900), (10, 2850508720), (16, 1781567950), (20, 1425254360), (25, 1140203488), (32, 890783975), (40, 712627180), (50, 570101744), (80, 356313590), (100, 285050872), (160, 178156795), (200, 142525436), (211, 135095200), (400, 71262718), (422, 67547600), (800, 35631359), (844, 33773800), (1055, 27019040), (1688, 16886900), (2110, 13509520), (3376, 8443450), (4220, 6754760), (5275, 5403808), (6752, 4221725), (8440, 3377380), (10550, 2701904), (16880, 1688690), (21100, 1350952), (33760, 844345), (42200, 675476), (84400, 337738), (168800, 168869)]