28139600

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:804

約数の個数: 60

約数和(自身を含む): 68361696

約数和(自身を除く): 40222096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 683, 824, 1030, 1366, 1648, 2060, 2575, 2732, 3415, 4120, 5150, 5464, 6830, 8240, 10300, 10928, 13660, 17075, 20600, 27320, 34150, 41200, 54640, 68300, 70349, 136600, 140698, 273200, 281396, 351745, 562792, 703490, 1125584, 1406980, 1758725, 2813960, 3517450, 5627920, 7034900, 14069800, 28139600]

約数ペア:

[(1, 28139600), (2, 14069800), (4, 7034900), (5, 5627920), (8, 3517450), (10, 2813960), (16, 1758725), (20, 1406980), (25, 1125584), (40, 703490), (50, 562792), (80, 351745), (100, 281396), (103, 273200), (200, 140698), (206, 136600), (400, 70349), (412, 68300), (515, 54640), (683, 41200), (824, 34150), (1030, 27320), (1366, 20600), (1648, 17075), (2060, 13660), (2575, 10928), (2732, 10300), (3415, 8240), (4120, 6830), (5150, 5464)]